57515952 has 40 divisors (see below), whose sum is σ = 160014064. Its totient is φ = 17697024.

The previous prime is 57515917. The next prime is 57515957. The reversal of 57515952 is 25951575.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 57515952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57515957) 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, 45463 + ... + 46710.

Almost surely, 2^57515952 is an apocalyptic number.

57515952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57515952 is an abundant number, since it is smaller than the sum of its proper divisors (102498112).

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

57515952 is a wasteful number, since it uses less digits than its factorization.

57515952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92197 (or 92191 counting only the distinct ones).

The product of its digits is 78750, while the sum is 39.

The square root of 57515952 is about 7583.9272148406. The cubic root of 57515952 is about 386.0078210806.

The spelling of 57515952 in words is "fifty-seven million, five hundred fifteen thousand, nine hundred fifty-two".