57538120 has 32 divisors (see below), whose sum is σ = 129814200. Its totient is φ = 22952448.

The previous prime is 57538087. The next prime is 57538121. The reversal of 57538120 is 2183575.

It can be written as a sum of positive squares in 4 ways, for example, as 57244356 + 293764 = 7566^2 + 542^2 .

It is not an unprimeable number, because it can be changed into a prime (57538121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14602 + ... + 18118.

Almost surely, 2^57538120 is an apocalyptic number.

It is an amenable number.

57538120 is an abundant number, since it is smaller than the sum of its proper divisors (72276080).

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

57538120 is a wasteful number, since it uses less digits than its factorization.

57538120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 57538120 is about 7585.3885859592. The cubic root of 57538120 is about 386.0574068735.

The spelling of 57538120 in words is "fifty-seven million, five hundred thirty-eight thousand, one hundred twenty".