557730812 has 24 divisors (see below), whose sum is σ = 1000274352. Its totient is φ = 271958400.

The previous prime is 557730779. The next prime is 557730829. The reversal of 557730812 is 218037755.

It is a happy number.

It is a super-2 number, since 2×557730812² = 622127317308358688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128762 + ... + 133022.

It is an arithmetic number, because the mean of its divisors is an integer number (41678098).

Almost surely, 2^557730812 is an apocalyptic number.

It is an amenable number.

557730812 is a deficient number, since it is larger than the sum of its proper divisors (442543540).

557730812 is a wasteful number, since it uses less digits than its factorization.

557730812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 557730812 is about 23616.3251163258. The cubic root of 557730812 is about 823.1422228862.

The spelling of 557730812 in words is "five hundred fifty-seven million, seven hundred thirty thousand, eight hundred twelve".