56657384 has 32 divisors (see below), whose sum is σ = 121970880. Its totient is φ = 24169344.

The previous prime is 56657383. The next prime is 56657401. The reversal of 56657384 is 48375665.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56657383) 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 7 ways as a sum of consecutive naturals, for example, 10484 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (3811590).

Almost surely, 2^56657384 is an apocalyptic number.

It is an amenable number.

56657384 is an abundant number, since it is smaller than the sum of its proper divisors (65313496).

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

56657384 is a wasteful number, since it uses less digits than its factorization.

56657384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697 (or 4693 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 56657384 is about 7527.1099367553. The cubic root of 56657384 is about 384.0774764100.

The spelling of 56657384 in words is "fifty-six million, six hundred fifty-seven thousand, three hundred eighty-four".