557943564 has 24 divisors (see below), whose sum is σ = 1304780400. Its totient is φ = 185565184.

The previous prime is 557943563. The next prime is 557943571. The reversal of 557943564 is 465349755.

It is a super-2 number, since 2×557943564² = 622602041218044192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557943563) 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, 46389 + ... + 57164.

It is an arithmetic number, because the mean of its divisors is an integer number (54365850).

Almost surely, 2^557943564 is an apocalyptic number.

It is an amenable number.

557943564 is an abundant number, since it is smaller than the sum of its proper divisors (746836836).

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

557943564 is a wasteful number, since it uses less digits than its factorization.

557943564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104009 (or 104007 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The square root of 557943564 is about 23620.8290286349. The cubic root of 557943564 is about 823.2468748601.

The spelling of 557943564 in words is "five hundred fifty-seven million, nine hundred forty-three thousand, five hundred sixty-four".