57479784 has 32 divisors (see below), whose sum is σ = 143970720. Its totient is φ = 19123776.

The previous prime is 57479749. The next prime is 57479791. The reversal of 57479784 is 48797475.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12759 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (4499085).

Almost surely, 2^57479784 is an apocalyptic number.

It is an amenable number.

57479784 is an abundant number, since it is smaller than the sum of its proper divisors (86490936).

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

57479784 is a wasteful number, since it uses less digits than its factorization.

57479784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529 (or 4525 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 57479784 is about 7581.5423233007. The cubic root of 57479784 is about 385.9268924696.

The spelling of 57479784 in words is "fifty-seven million, four hundred seventy-nine thousand, seven hundred eighty-four".