57203664 has 40 divisors (see below), whose sum is σ = 168888000. Its totient is φ = 16343808.

The previous prime is 57203621. The next prime is 57203687. The reversal of 57203664 is 46630275.

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, 84789 + ... + 85460.

It is an arithmetic number, because the mean of its divisors is an integer number (4222200).

Almost surely, 2^57203664 is an apocalyptic number.

It is an amenable number.

57203664 is an abundant number, since it is smaller than the sum of its proper divisors (111684336).

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

57203664 is a wasteful number, since it uses less digits than its factorization.

57203664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170267 (or 170261 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 57203664 is about 7563.3103863322. The cubic root of 57203664 is about 385.3079315266.

The spelling of 57203664 in words is "fifty-seven million, two hundred three thousand, six hundred sixty-four".