57057530 has 32 divisors (see below), whose sum is σ = 106389504. Its totient is φ = 22018176.

The previous prime is 57057523. The next prime is 57057541. The reversal of 57057530 is 3575075.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33479 + ... + 35141.

It is an arithmetic number, because the mean of its divisors is an integer number (3324672).

Almost surely, 2^57057530 is an apocalyptic number.

57057530 is a deficient number, since it is larger than the sum of its proper divisors (49331974).

57057530 is a wasteful number, since it uses less digits than its factorization.

57057530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 57057530 is about 7553.6434917197. The cubic root of 57057530 is about 384.9795457734.

The spelling of 57057530 in words is "fifty-seven million, fifty-seven thousand, five hundred thirty".