57345528 has 32 divisors (see below), whose sum is σ = 148309200. Its totient is φ = 18455808.

The previous prime is 57345503. The next prime is 57345569. The reversal of 57345528 is 82554375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40501 + ... + 41892.

Almost surely, 2^57345528 is an apocalyptic number.

57345528 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

57345528 is an abundant number, since it is smaller than the sum of its proper divisors (90963672).

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

57345528 is a wasteful number, since it uses less digits than its factorization.

57345528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82431 (or 82427 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 57345528 is about 7572.6830119846. The cubic root of 57345528 is about 385.6261873654.

The spelling of 57345528 in words is "fifty-seven million, three hundred forty-five thousand, five hundred twenty-eight".