55756 has 12 divisors (see below), whose sum is σ = 99792. Its totient is φ = 27248.

The previous prime is 55733. The next prime is 55763. The reversal of 55756 is 65755.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2⁵⁵⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

55756 is a deficient number, since it is larger than the sum of its proper divisors (44036).

55756 is a wasteful number, since it uses less digits than its factorization.

55756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 55756 is about 236.1270844270. The cubic root of 55756 is about 38.2029766601.

Subtracting 55756 from its reverse (65755), we obtain a palindrome (9999).

The spelling of 55756 in words is "fifty-five thousand, seven hundred fifty-six".