56613964 has 36 divisors (see below), whose sum is σ = 111004992. Its totient is φ = 25236640.

The previous prime is 56613937. The next prime is 56613979. The reversal of 56613964 is 46931665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24549 + ... + 26755.

It is an arithmetic number, because the mean of its divisors is an integer number (3083472).

Almost surely, 2^56613964 is an apocalyptic number.

It is an amenable number.

56613964 is a deficient number, since it is larger than the sum of its proper divisors (54391028).

56613964 is a wasteful number, since it uses less digits than its factorization.

56613964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2273 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 56613964 is about 7524.2251428303. The cubic root of 56613964 is about 383.9793373575.

The spelling of 56613964 in words is "fifty-six million, six hundred thirteen thousand, nine hundred sixty-four".