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55,809

55,809 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Deficient Number Evil Number Harshad / Niven Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
27
Digit product
0
Digital root
9
Palindrome
No
Bit width
16 bits
Reversed
90,855
Recamán's sequence
a(292,202) = 55,809
Square (n²)
3,114,644,481
Cube (n³)
173,825,193,840,129
Divisor count
20
σ(n) — sum of divisors
91,476
φ(n) — Euler's totient
33,696
Sum of prime factors
78

Primality

Prime factorization: 3 4 × 13 × 53

Nearest primes: 55,807 (−2) · 55,813 (+4)

Divisors & multiples

All divisors (20)
1 · 3 · 9 · 13 · 27 · 39 · 53 · 81 · 117 · 159 · 351 · 477 · 689 · 1053 · 1431 · 2067 · 4293 · 6201 · 18603 · 55809
Aliquot sum (sum of proper divisors): 35,667
Factor pairs (a × b = 55,809)
1 × 55809
3 × 18603
9 × 6201
13 × 4293
27 × 2067
39 × 1431
53 × 1053
81 × 689
117 × 477
159 × 351
First multiples
55,809 · 111,618 (double) · 167,427 · 223,236 · 279,045 · 334,854 · 390,663 · 446,472 · 502,281 · 558,090

Sums & aliquot sequence

As a sum of two squares: 72² + 225² = 153² + 180²
As consecutive integers: 27,904 + 27,905 18,602 + 18,603 + 18,604 9,299 + 9,300 + 9,301 + 9,302 + 9,303 + 9,304 6,197 + 6,198 + … + 6,205
Aliquot sequence: 55,809 35,667 17,213 2,467 1 0 — terminates at zero

Representations

In words
fifty-five thousand eight hundred nine
Ordinal
55809th
Binary
1101101000000001
Octal
155001
Hexadecimal
0xDA01
Base64
2gE=
One's complement
9,726 (16-bit)
In other bases
ternary (3) 2211120000
quaternary (4) 31220001
quinary (5) 3241214
senary (6) 1110213
septenary (7) 321465
nonary (9) 84500
undecimal (11) 38a26
duodecimal (12) 28369
tridecimal (13) 1c530
tetradecimal (14) 164a5
pentadecimal (15) 11809

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵νεωθʹ
Mayan (base 20)
𝋦·𝋳·𝋪·𝋩
Chinese
五萬五千八百零九
Chinese (financial)
伍萬伍仟捌佰零玖
In other modern scripts
Eastern Arabic ٥٥٨٠٩ Devanagari ५५८०९ Bengali ৫৫৮০৯ Tamil ௫௫௮௦௯ Thai ๕๕๘๐๙ Tibetan ༥༥༨༠༩ Khmer ៥៥៨០៩ Lao ໕໕໘໐໙ Burmese ၅၅၈၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 55,809 = 7
e — Euler's number (e)
Digit 55,809 = 1
φ — Golden ratio (φ)
Digit 55,809 = 8
√2 — Pythagoras's (√2)
Digit 55,809 = 9
ln 2 — Natural log of 2
Digit 55,809 = 1
γ — Euler-Mascheroni (γ)
Digit 55,809 = 6

Also seen as

Hex color
#00DA01
RGB(0, 218, 1)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.1.

Address
0.0.218.1
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.218.1

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 55809 first appears in π at position 46,799 of the decimal expansion (the 46,799ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.