57538768 has 20 divisors (see below), whose sum is σ = 127407520. Its totient is φ = 24659424.

The previous prime is 57538757. The next prime is 57538771. The reversal of 57538768 is 86783575.

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, 256758 + ... + 256981.

It is an arithmetic number, because the mean of its divisors is an integer number (6370376).

Almost surely, 2^57538768 is an apocalyptic number.

It is an amenable number.

57538768 is an abundant number, since it is smaller than the sum of its proper divisors (69868752).

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

57538768 is a wasteful number, since it uses less digits than its factorization.

57538768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513754 (or 513748 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 57538768 is about 7585.4312995373. The cubic root of 57538768 is about 386.0588561403.

The spelling of 57538768 in words is "fifty-seven million, five hundred thirty-eight thousand, seven hundred sixty-eight".