57727968 has 24 divisors (see below), whose sum is σ = 151536168. Its totient is φ = 19242624.

The previous prime is 57727939. The next prime is 57727979. The reversal of 57727968 is 86972775.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 57727968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300571 + ... + 300762.

It is an arithmetic number, because the mean of its divisors is an integer number (6314007).

Almost surely, 2^57727968 is an apocalyptic number.

It is an amenable number.

57727968 is an abundant number, since it is smaller than the sum of its proper divisors (93808200).

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

57727968 is a wasteful number, since it uses less digits than its factorization.

57727968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601346 (or 601338 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 57727968 is about 7597.8923393267. The cubic root of 57727968 is about 386.4815417159.

The spelling of 57727968 in words is "fifty-seven million, seven hundred twenty-seven thousand, nine hundred sixty-eight".