57528860 has 12 divisors (see below), whose sum is σ = 120810648. Its totient is φ = 23011536.

The previous prime is 57528847. The next prime is 57528881. The reversal of 57528860 is 6882575.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 1438202 + ... + 1438241.

It is an arithmetic number, because the mean of its divisors is an integer number (10067554).

Almost surely, 2^57528860 is an apocalyptic number.

It is an amenable number.

57528860 is an abundant number, since it is smaller than the sum of its proper divisors (63281788).

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

57528860 is a wasteful number, since it uses less digits than its factorization.

57528860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876452 (or 2876450 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 57528860 is about 7584.7781773761. The cubic root of 57528860 is about 386.0366954832.

Adding to 57528860 its sum of digits (41), we get a triangular number (57528901 = T₁₀₇₂₆).

The spelling of 57528860 in words is "fifty-seven million, five hundred twenty-eight thousand, eight hundred sixty".