56656120 has 32 divisors (see below), whose sum is σ = 127785600. Its totient is φ = 22607488.

The previous prime is 56656079. The next prime is 56656123. The reversal of 56656120 is 2165665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56656123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17682 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (3993300).

Almost surely, 2^56656120 is an apocalyptic number.

It is an amenable number.

56656120 is an abundant number, since it is smaller than the sum of its proper divisors (71129480).

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

56656120 is a wasteful number, since it uses less digits than its factorization.

56656120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56656120 is about 7527.0259731185. The cubic root of 56656120 is about 384.0746201919.

The spelling of 56656120 in words is "fifty-six million, six hundred fifty-six thousand, one hundred twenty".