57528075 has 48 divisors (see below), whose sum is σ = 104921856. Its totient is φ = 27580800.

The previous prime is 57528073. The next prime is 57528091. The reversal of 57528075 is 57082575.

It is not a de Polignac number, because 57528075 - 2¹ = 57528073 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57528073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84637 + ... + 85313.

It is an arithmetic number, because the mean of its divisors is an integer number (2185872).

Almost surely, 2^57528075 is an apocalyptic number.

57528075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57528075 is a deficient number, since it is larger than the sum of its proper divisors (47393781).

57528075 is a wasteful number, since it uses less digits than its factorization.

57528075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 57528075 is about 7584.7264288173. The cubic root of 57528075 is about 386.0349396098.

The spelling of 57528075 in words is "fifty-seven million, five hundred twenty-eight thousand, seventy-five".