56439874 has 16 divisors (see below), whose sum is σ = 87541056. Its totient is φ = 27270000.

The previous prime is 56439863. The next prime is 56439883. The reversal of 56439874 is 47893465.

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, 8649 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (5471316).

Almost surely, 2^56439874 is an apocalyptic number.

56439874 is a deficient number, since it is larger than the sum of its proper divisors (31101182).

56439874 is a wasteful number, since it uses less digits than its factorization.

56439874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241.

The product of its digits is 725760, while the sum is 46.

The square root of 56439874 is about 7512.6476025433. The cubic root of 56439874 is about 383.5853497594.

The spelling of 56439874 in words is "fifty-six million, four hundred thirty-nine thousand, eight hundred seventy-four".