56393916 has 12 divisors (see below), whose sum is σ = 131585832. Its totient is φ = 18797968.

The previous prime is 56393903. The next prime is 56393923. The reversal of 56393916 is 61939365.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2349735 + ... + 2349758.

It is an arithmetic number, because the mean of its divisors is an integer number (10965486).

Almost surely, 2^56393916 is an apocalyptic number.

It is an amenable number.

56393916 is an abundant number, since it is smaller than the sum of its proper divisors (75191916).

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

56393916 is a wasteful number, since it uses less digits than its factorization.

56393916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699500 (or 4699498 counting only the distinct ones).

The product of its digits is 131220, while the sum is 42.

The square root of 56393916 is about 7509.5882710039. The cubic root of 56393916 is about 383.4812058781.

The spelling of 56393916 in words is "fifty-six million, three hundred ninety-three thousand, nine hundred sixteen".