557992 has 16 divisors (see below), whose sum is σ = 1101600. Its totient is φ = 264240.

The previous prime is 557987. The next prime is 558007. The reversal of 557992 is 299755.

It is a super-2 number, since 2×557992² = 622710144128, which contains 22 as substring.

It is an unprimeable number.

557992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2⁵⁵⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

557992 is a deficient number, since it is larger than the sum of its proper divisors (543608).

557992 is a wasteful number, since it uses less digits than its factorization.

557992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3692 counting only the distinct ones).

The product of its digits is 28350, while the sum is 37.

The square root of 557992 is about 746.9886210646. The cubic root of 557992 is about 82.3270696643.

It can be divided in two parts, 5579 and 92, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 557992 in words is "five hundred fifty-seven thousand, nine hundred ninety-two".