56925978 has 16 divisors (see below), whose sum is σ = 115294080. Its totient is φ = 18734976.

The previous prime is 56925971. The next prime is 56925983. The reversal of 56925978 is 87952965.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56925978.

It is not an unprimeable number, because it can be changed into a prime (56925971) 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, 59575 + ... + 60522.

It is an arithmetic number, because the mean of its divisors is an integer number (7205880).

Almost surely, 2^56925978 is an apocalyptic number.

56925978 is an abundant number, since it is smaller than the sum of its proper divisors (58368102).

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

56925978 is a wasteful number, since it uses less digits than its factorization.

56925978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120181.

The product of its digits is 1360800, while the sum is 51.

The square root of 56925978 is about 7544.9306159832. The cubic root of 56925978 is about 384.6834481247.

The spelling of 56925978 in words is "fifty-six million, nine hundred twenty-five thousand, nine hundred seventy-eight".