56657377 has 12 divisors (see below), whose sum is σ = 66706416. Its totient is φ = 47974920.

The previous prime is 56657353. The next prime is 56657383. The reversal of 56657377 is 77375665.

It is not a de Polignac number, because 56657377 - 2¹⁵ = 56624609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56657317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2899 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (5558868).

Almost surely, 2^56657377 is an apocalyptic number.

It is an amenable number.

56657377 is a deficient number, since it is larger than the sum of its proper divisors (10049039).

56657377 is a wasteful number, since it uses less digits than its factorization.

56657377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028 (or 14021 counting only the distinct ones).

The product of its digits is 926100, while the sum is 46.

The square root of 56657377 is about 7527.1094717694. The cubic root of 56657377 is about 384.0774605925.

The spelling of 56657377 in words is "fifty-six million, six hundred fifty-seven thousand, three hundred seventy-seven".