57491364 has 48 divisors (see below), whose sum is σ = 153796608. Its totient is φ = 16374048.

The previous prime is 57491353. The next prime is 57491383. The reversal of 57491364 is 46319475.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31279 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (3204096).

Almost surely, 2^57491364 is an apocalyptic number.

It is an amenable number.

57491364 is an abundant number, since it is smaller than the sum of its proper divisors (96305244).

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

57491364 is a wasteful number, since it uses less digits than its factorization.

57491364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2182 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 57491364 is about 7582.3059816918. The cubic root of 57491364 is about 385.9528072813.

The spelling of 57491364 in words is "fifty-seven million, four hundred ninety-one thousand, three hundred sixty-four".