56136560 has 40 divisors (see below), whose sum is σ = 136196640. Its totient is φ = 21477632.

The previous prime is 56136557. The next prime is 56136581. The reversal of 56136560 is 6563165.

It is a tau number, because it is divible by the number of its divisors (40).

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, 13415 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (3404916).

Almost surely, 2^56136560 is an apocalyptic number.

It is an amenable number.

56136560 is an abundant number, since it is smaller than the sum of its proper divisors (80060080).

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

56136560 is a wasteful number, since it uses less digits than its factorization.

56136560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30545 (or 30539 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 56136560 is about 7492.4335165552. The cubic root of 56136560 is about 382.8969720628.

The spelling of 56136560 in words is "fifty-six million, one hundred thirty-six thousand, five hundred sixty".