557749516 has 12 divisors (see below), whose sum is σ = 978102720. Its totient is φ = 278291600.

The previous prime is 557749513. The next prime is 557749519. The reversal of 557749516 is 615947755.

It is an interprime number because it is at equal distance from previous prime (557749513) and next prime (557749519).

It is a super-2 number, since 2×557749516² = 622169045196468512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557749516.

It is not an unprimeable number, because it can be changed into a prime (557749513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143635 + ... + 147466.

It is an arithmetic number, because the mean of its divisors is an integer number (81508560).

Almost surely, 2^557749516 is an apocalyptic number.

It is an amenable number.

557749516 is a deficient number, since it is larger than the sum of its proper divisors (420353204).

557749516 is a wasteful number, since it uses less digits than its factorization.

557749516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291584 (or 291582 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 49.

The square root of 557749516 is about 23616.7211102642. The cubic root of 557749516 is about 823.1514243861.

The spelling of 557749516 in words is "five hundred fifty-seven million, seven hundred forty-nine thousand, five hundred sixteen".