56520136 has 16 divisors (see below), whose sum is σ = 111553200. Its totient is φ = 26772624.

The previous prime is 56520089. The next prime is 56520143. The reversal of 56520136 is 63102565.

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, 185770 + ... + 186073.

It is an arithmetic number, because the mean of its divisors is an integer number (6972075).

Almost surely, 2^56520136 is an apocalyptic number.

It is an amenable number.

56520136 is a deficient number, since it is larger than the sum of its proper divisors (55033064).

56520136 is a wasteful number, since it uses less digits than its factorization.

56520136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371868 (or 371864 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56520136 is about 7517.9874966643. The cubic root of 56520136 is about 383.7670932838.

The spelling of 56520136 in words is "fifty-six million, five hundred twenty thousand, one hundred thirty-six".