557812 has 12 divisors (see below), whose sum is σ = 1002820. Its totient is φ = 271296.

The previous prime is 557803. The next prime is 557831. The reversal of 557812 is 218755.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 76176 = 694^2 + 276^2 .

It is a super-2 number, since 2×557812² = 622308454688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

557812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737 + ... + 2032.

2⁵⁵⁷⁸¹² is an apocalyptic number.

It is an amenable number.

557812 is a deficient number, since it is larger than the sum of its proper divisors (445008).

557812 is a wasteful number, since it uses less digits than its factorization.

557812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810 (or 3808 counting only the distinct ones).

The product of its digits is 2800, while the sum is 28.

The square root of 557812 is about 746.8681275834. The cubic root of 557812 is about 82.3182162123.

It can be divided in two parts, 557 and 812, that added together give a square (1369 = 37²).

The spelling of 557812 in words is "five hundred fifty-seven thousand, eight hundred twelve".