57227628 has 12 divisors (see below), whose sum is σ = 133531160. Its totient is φ = 19075872.

The previous prime is 57227609. The next prime is 57227629. The reversal of 57227628 is 82672275.

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

It is not an unprimeable number, because it can be changed into a prime (57227629) 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, 2384473 + ... + 2384496.

Almost surely, 2^57227628 is an apocalyptic number.

It is an amenable number.

57227628 is an abundant number, since it is smaller than the sum of its proper divisors (76303532).

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

57227628 is a wasteful number, since it uses less digits than its factorization.

57227628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768976 (or 4768974 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 57227628 is about 7564.8944473800. The cubic root of 57227628 is about 385.3617289558.

The spelling of 57227628 in words is "fifty-seven million, two hundred twenty-seven thousand, six hundred twenty-eight".