57056562 has 20 divisors (see below), whose sum is σ = 127849326. Its totient is φ = 19018800.

The previous prime is 57056551. The next prime is 57056579. The reversal of 57056562 is 26565075.

It can be written as a sum of positive squares in only one way, i.e., 55666521 + 1390041 = 7461^2 + 1179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 175939 + ... + 176262.

Almost surely, 2^57056562 is an apocalyptic number.

57056562 is an abundant number, since it is smaller than the sum of its proper divisors (70792764).

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

57056562 is a wasteful number, since it uses less digits than its factorization.

57056562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352215 (or 352206 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 57056562 is about 7553.5794164092. The cubic root of 57056562 is about 384.9773686590.

The spelling of 57056562 in words is "fifty-seven million, fifty-six thousand, five hundred sixty-two".