57200628 has 12 divisors (see below), whose sum is σ = 133468160. Its totient is φ = 19066872.

The previous prime is 57200579. The next prime is 57200629. The reversal of 57200628 is 82600275.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 57200595 and 57200604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57200629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383348 + ... + 2383371.

Almost surely, 2^57200628 is an apocalyptic number.

It is an amenable number.

57200628 is an abundant number, since it is smaller than the sum of its proper divisors (76267532).

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

57200628 is a wasteful number, since it uses less digits than its factorization.

57200628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766726 (or 4766724 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57200628 is about 7563.1096779037. The cubic root of 57200628 is about 385.3011148562.

The spelling of 57200628 in words is "fifty-seven million, two hundred thousand, six hundred twenty-eight".