57000522 has 16 divisors (see below), whose sum is σ = 114151680. Its totient is φ = 18975072.

The previous prime is 57000511. The next prime is 57000523. The reversal of 57000522 is 22500075.

It is not an unprimeable number, because it can be changed into a prime (57000523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (7134480).

Almost surely, 2^57000522 is an apocalyptic number.

57000522 is an abundant number, since it is smaller than the sum of its proper divisors (57151158).

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

57000522 is a wasteful number, since it uses less digits than its factorization.

57000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 57000522 is about 7549.8690054861. The cubic root of 57000522 is about 384.8512879297.

Adding to 57000522 its reverse (22500075), we get a palindrome (79500597).

The spelling of 57000522 in words is "fifty-seven million, five hundred twenty-two", and thus it is an aban number.