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55,509

55,509 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.).
Arithmetic Number Deficient Number Odious Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
24
Digit product
0
Digital root
6
Palindrome
No
Bit width
16 bits
Reversed
90,555
Recamán's sequence
a(140,537) = 55,509
Square (n²)
3,081,249,081
Cube (n³)
171,037,055,237,229
Divisor count
4
σ(n) — sum of divisors
74,016
φ(n) — Euler's totient
37,004
Sum of prime factors
18,506

Primality

Prime factorization: 3 × 18503

Nearest primes: 55,501 (−8) · 55,511 (+2)

Divisors & multiples

All divisors (4)
1 · 3 · 18503 · 55509
Aliquot sum (sum of proper divisors): 18,507
Factor pairs (a × b = 55,509)
1 × 55509
3 × 18503
First multiples
55,509 · 111,018 (double) · 166,527 · 222,036 · 277,545 · 333,054 · 388,563 · 444,072 · 499,581 · 555,090

Sums & aliquot sequence

As consecutive integers: 27,754 + 27,755 18,502 + 18,503 + 18,504 9,249 + 9,250 + 9,251 + 9,252 + 9,253 + 9,254
Aliquot sequence: 55,509 18,507 7,093 215 49 8 7 1 0 — terminates at zero

Representations

In words
fifty-five thousand five hundred nine
Ordinal
55509th
Binary
1101100011010101
Octal
154325
Hexadecimal
0xD8D5
Base64
2NU=
One's complement
10,026 (16-bit)
In other bases
ternary (3) 2211010220
quaternary (4) 31203111
quinary (5) 3234014
senary (6) 1104553
septenary (7) 320556
nonary (9) 84126
undecimal (11) 38783
duodecimal (12) 28159
tridecimal (13) 1c35c
tetradecimal (14) 1632d
pentadecimal (15) 116a9

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵νεφθʹ
Mayan (base 20)
𝋦·𝋲·𝋯·𝋩
Chinese
五萬五千五百零九
Chinese (financial)
伍萬伍仟伍佰零玖
In other modern scripts
Eastern Arabic ٥٥٥٠٩ Devanagari ५५५०९ Bengali ৫৫৫০৯ Tamil ௫௫௫௦௯ Thai ๕๕๕๐๙ Tibetan ༥༥༥༠༩ Khmer ៥៥៥០៩ Lao ໕໕໕໐໙ Burmese ၅၅၅၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 55,509 = 3
e — Euler's number (e)
Digit 55,509 = 2
φ — Golden ratio (φ)
Digit 55,509 = 8
√2 — Pythagoras's (√2)
Digit 55,509 = 6
ln 2 — Natural log of 2
Digit 55,509 = 8
γ — Euler-Mascheroni (γ)
Digit 55,509 = 7

Also seen as

Hex color
#00D8D5
RGB(0, 216, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.216.213.

Address
0.0.216.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.216.213

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

Position in π

The digit sequence 55509 first appears in π at position 50,550 of the decimal expansion (the 50,550ordinal-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.