57257082 has 48 divisors (see below), whose sum is σ = 127033920. Its totient is φ = 18634176.

The previous prime is 57257069. The next prime is 57257113. The reversal of 57257082 is 28075275.

57257082 is a `hidden beast` number, since 5 + 7 + 2 + 570 + 82 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164833 + ... + 165179.

It is an arithmetic number, because the mean of its divisors is an integer number (2646540).

Almost surely, 2^57257082 is an apocalyptic number.

57257082 is an abundant number, since it is smaller than the sum of its proper divisors (69776838).

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

57257082 is a wasteful number, since it uses less digits than its factorization.

57257082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 57257082 is about 7566.8409524715. The cubic root of 57257082 is about 385.4278304644.

The spelling of 57257082 in words is "fifty-seven million, two hundred fifty-seven thousand, eighty-two".