56137656 has 32 divisors (see below), whose sum is σ = 140918400. Its totient is φ = 18636000.

The previous prime is 56137639. The next prime is 56137663. The reversal of 56137656 is 65673165.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (4403700).

Almost surely, 2^56137656 is an apocalyptic number.

It is an amenable number.

56137656 is an abundant number, since it is smaller than the sum of its proper divisors (84780744).

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

56137656 is a wasteful number, since it uses less digits than its factorization.

56137656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579 (or 9575 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 56137656 is about 7492.5066566537. The cubic root of 56137656 is about 382.8994639168.

The spelling of 56137656 in words is "fifty-six million, one hundred thirty-seven thousand, six hundred fifty-six".