number.wiki
Number

55,987

55,987 is a prime, odd.

Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
34
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,988

Primality

55,987 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55987
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,987)
1 × 55987
First multiples
55,987 · 111,974 · 167,961 · 223,948 · 279,935 · 335,922 · 391,909 · 447,896 · 503,883 · 559,870

Representations

In words
fifty-five thousand nine hundred eighty-seven
Ordinal
55987th
Binary
1101101010110011
Octal
155263
Hexadecimal
DAB3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,967 (gap of 20)
  • Next prime: 55,997 (gap of 10)
Hex color
#00DAB3
RGB(0, 218, 179)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.179.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000055987
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.