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Number

55,663

55,663 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
25
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
55,664

Primality

55,663 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55663
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,663)
1 × 55663
First multiples
55,663 · 111,326 · 166,989 · 222,652 · 278,315 · 333,978 · 389,641 · 445,304 · 500,967 · 556,630

Representations

In words
fifty-five thousand six hundred sixty-three
Ordinal
55663rd
Binary
1101100101101111
Octal
154557
Hexadecimal
D96F

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,661 (gap of 2)
  • Next prime: 55,667 (gap of 4)

Pair status: twin with 55661, cousin with 55667.

Hex color
#00D96F
RGB(0, 217, 111)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.217.111.