57500628 has 24 divisors (see below), whose sum is σ = 136059840. Its totient is φ = 18896640.

The previous prime is 57500617. The next prime is 57500687. The reversal of 57500628 is 82600575.

It is a happy number.

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, 32893 + ... + 34596.

It is an arithmetic number, because the mean of its divisors is an integer number (5669160).

Almost surely, 2^57500628 is an apocalyptic number.

It is an amenable number.

57500628 is an abundant number, since it is smaller than the sum of its proper divisors (78559212).

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

57500628 is a wasteful number, since it uses less digits than its factorization.

57500628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567 (or 67565 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 57500628 is about 7582.9168530322. The cubic root of 57500628 is about 385.9735366253.

The spelling of 57500628 in words is "fifty-seven million, five hundred thousand, six hundred twenty-eight".