56531164 has 12 divisors (see below), whose sum is σ = 99129744. Its totient is φ = 28208384.

The previous prime is 56531149. The next prime is 56531191. The reversal of 56531164 is 46113565.

It is a congruent number.

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, 12037 + ... + 16060.

It is an arithmetic number, because the mean of its divisors is an integer number (8260812).

Almost surely, 2^56531164 is an apocalyptic number.

It is an amenable number.

56531164 is a deficient number, since it is larger than the sum of its proper divisors (42598580).

56531164 is a wasteful number, since it uses less digits than its factorization.

56531164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28604 (or 28602 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 56531164 is about 7518.7209018556. The cubic root of 56531164 is about 383.7920513995.

The spelling of 56531164 in words is "fifty-six million, five hundred thirty-one thousand, one hundred sixty-four".