56135856 has 40 divisors (see below), whose sum is σ = 165735424. Its totient is φ = 16038720.

The previous prime is 56135843. The next prime is 56135867. The reversal of 56135856 is 65853165.

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, 83200 + ... + 83871.

Almost surely, 2^56135856 is an apocalyptic number.

56135856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56135856 is an abundant number, since it is smaller than the sum of its proper divisors (109599568).

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

56135856 is a wasteful number, since it uses less digits than its factorization.

56135856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167089 (or 167083 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 56135856 is about 7492.3865356774. The cubic root of 56135856 is about 382.8953714386.

The spelling of 56135856 in words is "fifty-six million, one hundred thirty-five thousand, eight hundred fifty-six".