56611164 has 12 divisors (see below), whose sum is σ = 132092744. Its totient is φ = 18870384.

The previous prime is 56611157. The next prime is 56611187. The reversal of 56611164 is 46111665.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2358787 + ... + 2358810.

Almost surely, 2^56611164 is an apocalyptic number.

It is an amenable number.

56611164 is an abundant number, since it is smaller than the sum of its proper divisors (75481580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56611164 is a wasteful number, since it uses less digits than its factorization.

56611164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717604 (or 4717602 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 56611164 is about 7524.0390748587. The cubic root of 56611164 is about 383.9730070002.

The spelling of 56611164 in words is "fifty-six million, six hundred eleven thousand, one hundred sixty-four".