57542928 has 20 divisors (see below), whose sum is σ = 148652688. Its totient is φ = 19180960.

The previous prime is 57542917. The next prime is 57542939. The reversal of 57542928 is 82924575.

It is an interprime number because it is at equal distance from previous prime (57542917) and next prime (57542939).

It is a super-2 number, since 2×57542928² = 6622377125626368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57542928.

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, 599358 + ... + 599453.

Almost surely, 2^57542928 is an apocalyptic number.

It is an amenable number.

57542928 is an abundant number, since it is smaller than the sum of its proper divisors (91109760).

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

57542928 is a wasteful number, since it uses less digits than its factorization.

57542928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198822 (or 1198816 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 57542928 is about 7585.7055044340. The cubic root of 57542928 is about 386.0681598161.

The spelling of 57542928 in words is "fifty-seven million, five hundred forty-two thousand, nine hundred twenty-eight".