56657944 has 16 divisors (see below), whose sum is σ = 121410000. Its totient is φ = 24281952.

The previous prime is 56657927. The next prime is 56657969. The reversal of 56657944 is 44975665.

It is a junction number, because it is equal to n+sod(n) for n = 56657894 and 56657903.

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, 505819 + ... + 505930.

It is an arithmetic number, because the mean of its divisors is an integer number (7588125).

Almost surely, 2^56657944 is an apocalyptic number.

It is an amenable number.

56657944 is an abundant number, since it is smaller than the sum of its proper divisors (64752056).

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

56657944 is a wasteful number, since it uses less digits than its factorization.

56657944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011762 (or 1011758 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 56657944 is about 7527.1471355355. The cubic root of 56657944 is about 384.0787418095.

The spelling of 56657944 in words is "fifty-six million, six hundred fifty-seven thousand, nine hundred forty-four".