57425664 has 72 divisors (see below), whose sum is σ = 159530112. Its totient is φ = 18304000.

The previous prime is 57425651. The next prime is 57425699. The reversal of 57425664 is 46652475.

It is a congruent number.

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, 16039 + ... + 19289.

It is an arithmetic number, because the mean of its divisors is an integer number (2215696).

Almost surely, 2^57425664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57425664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79765056).

57425664 is an abundant number, since it is smaller than the sum of its proper divisors (102104448).

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

57425664 is a wasteful number, since it uses less digits than its factorization.

57425664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3279 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 57425664 is about 7577.9722881520. The cubic root of 57425664 is about 385.8057314830.

The spelling of 57425664 in words is "fifty-seven million, four hundred twenty-five thousand, six hundred sixty-four".