56440804 has 24 divisors (see below), whose sum is σ = 117790848. Its totient is φ = 23136960.

The previous prime is 56440793. The next prime is 56440819. The reversal of 56440804 is 40804465.

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, 43177 + ... + 44464.

It is an arithmetic number, because the mean of its divisors is an integer number (4907952).

Almost surely, 2^56440804 is an apocalyptic number.

It is an amenable number.

56440804 is an abundant number, since it is smaller than the sum of its proper divisors (61350044).

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

56440804 is a wasteful number, since it uses less digits than its factorization.

56440804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87675 (or 87673 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 56440804 is about 7512.7094979109. The cubic root of 56440804 is about 383.5874566175.

The spelling of 56440804 in words is "fifty-six million, four hundred forty thousand, eight hundred four".