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55,387

55,387 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
28
Digit product
4,200
Digital root
1
Palindrome
No
Bit width
16 bits
Reversed
78,355
Recamán's sequence
a(140,781) = 55,387
Square (n²)
3,067,719,769
Cube (n³)
169,911,794,845,603
Divisor count
4
σ(n) — sum of divisors
56,056
φ(n) — Euler's totient
54,720
Sum of prime factors
668

Primality

Prime factorization: 97 × 571

Nearest primes: 55,381 (−6) · 55,399 (+12)

Divisors & multiples

All divisors (4)
1 · 97 · 571 · 55387
Aliquot sum (sum of proper divisors): 669
Factor pairs (a × b = 55,387)
1 × 55387
97 × 571
First multiples
55,387 · 110,774 (double) · 166,161 · 221,548 · 276,935 · 332,322 · 387,709 · 443,096 · 498,483 · 553,870

Sums & aliquot sequence

As consecutive integers: 27,693 + 27,694 523 + 524 + … + 619 189 + 190 + … + 382
Aliquot sequence: 55,387 669 227 1 0 — terminates at zero

Representations

In words
fifty-five thousand three hundred eighty-seven
Ordinal
55387th
Binary
1101100001011011
Octal
154133
Hexadecimal
0xD85B
Base64
2Fs=
One's complement
10,148 (16-bit)
In other bases
ternary (3) 2210222101
quaternary (4) 31201123
quinary (5) 3233022
senary (6) 1104231
septenary (7) 320323
nonary (9) 83871
undecimal (11) 38682
duodecimal (12) 28077
tridecimal (13) 1c297
tetradecimal (14) 16283
pentadecimal (15) 11627

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵νετπζʹ
Mayan (base 20)
𝋦·𝋲·𝋩·𝋧
Chinese
五萬五千三百八十七
Chinese (financial)
伍萬伍仟參佰捌拾柒
In other modern scripts
Eastern Arabic ٥٥٣٨٧ Devanagari ५५३८७ Bengali ৫৫৩৮৭ Tamil ௫௫௩௮௭ Thai ๕๕๓๘๗ Tibetan ༥༥༣༨༧ Khmer ៥៥៣៨៧ Lao ໕໕໓໘໗ Burmese ၅၅၃၈၇

Digit at this position in famous constants

π — Pi (π)
Digit 55,387 = 4
e — Euler's number (e)
Digit 55,387 = 6
φ — Golden ratio (φ)
Digit 55,387 = 0
√2 — Pythagoras's (√2)
Digit 55,387 = 7
ln 2 — Natural log of 2
Digit 55,387 = 1
γ — Euler-Mascheroni (γ)
Digit 55,387 = 1

Also seen as

Hex color
#00D85B
RGB(0, 216, 91)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.216.91.

Address
0.0.216.91
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.216.91

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

Position in π

The digit sequence 55387 first appears in π at position 12,710 of the decimal expansion (the 12,710ordinal-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.