57168653522 has 6 divisors (see below), whose sum is σ = 85753487493. Its totient is φ = 28584157692.

The previous prime is 57168653497. The next prime is 57168653527. The reversal of 57168653522 is 22535686175.

57168653522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54849171601 + 2319481921 = 234199^2 + 48161^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=169069.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57168653527) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 253604 + ... + 422672.

Almost surely, 2^57168653522 is an apocalyptic number.

57168653522 is a deficient number, since it is larger than the sum of its proper divisors (28584833971).

57168653522 is an frugal number, since it uses more digits than its factorization.

57168653522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338140 (or 169071 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

Multiplying 57168653522 by its sum of digits (50), we get a square (2858432676100 = 1690690²).

The spelling of 57168653522 in words is "fifty-seven billion, one hundred sixty-eight million, six hundred fifty-three thousand, five hundred twenty-two".