56161756 has 12 divisors (see below), whose sum is σ = 112323568. Its totient is φ = 24069312.

The previous prime is 56161697. The next prime is 56161789. The reversal of 56161756 is 65716165.

56161756 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 1002861 + ... + 1002916.

Almost surely, 2^56161756 is an apocalyptic number.

It is an amenable number.

56161756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56161756 is a wasteful number, since it uses less digits than its factorization.

56161756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005788 (or 2005786 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 56161756 is about 7494.1147575948. The cubic root of 56161756 is about 382.9542492282.

The spelling of 56161756 in words is "fifty-six million, one hundred sixty-one thousand, seven hundred fifty-six".