56725420 has 12 divisors (see below), whose sum is σ = 119123424. Its totient is φ = 22690160.

The previous prime is 56725387. The next prime is 56725433. The reversal of 56725420 is 2452765.

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, 1418116 + ... + 1418155.

It is an arithmetic number, because the mean of its divisors is an integer number (9926952).

Almost surely, 2^56725420 is an apocalyptic number.

It is an amenable number.

56725420 is an abundant number, since it is smaller than the sum of its proper divisors (62398004).

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

56725420 is a wasteful number, since it uses less digits than its factorization.

56725420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836280 (or 2836278 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56725420 is about 7531.6279780669. The cubic root of 56725420 is about 384.2311524220.

The spelling of 56725420 in words is "fifty-six million, seven hundred twenty-five thousand, four hundred twenty".