57270856 has 8 divisors (see below), whose sum is σ = 107382870. Its totient is φ = 28635424.

The previous prime is 57270833. The next prime is 57270859. The reversal of 57270856 is 65807275.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 11492100 = 6766^2 + 3390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (57270859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3579421 + ... + 3579436.

Almost surely, 2^57270856 is an apocalyptic number.

It is an amenable number.

57270856 is a deficient number, since it is larger than the sum of its proper divisors (50112014).

57270856 is a wasteful number, since it uses less digits than its factorization.

57270856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158863 (or 7158859 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 57270856 is about 7567.7510529879. The cubic root of 57270856 is about 385.4587346897.

The spelling of 57270856 in words is "fifty-seven million, two hundred seventy thousand, eight hundred fifty-six".