557864 has 16 divisors (see below), whose sum is σ = 1055700. Its totient is φ = 276352.

The previous prime is 557863. The next prime is 557891. The reversal of 557864 is 468755.

It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 24964 = 730^2 + 158^2 .

It is a super-2 number, since 2×557864² = 622424484992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842 + ... + 1350.

2⁵⁵⁷⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

557864 is a deficient number, since it is larger than the sum of its proper divisors (497836).

557864 is a wasteful number, since it uses less digits than its factorization.

557864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 557864 is about 746.9029388080. The cubic root of 557864 is about 82.3207740718.

The spelling of 557864 in words is "five hundred fifty-seven thousand, eight hundred sixty-four".