557492 has 24 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 252000.

The previous prime is 557489. The next prime is 557519. The reversal of 557492 is 294755.

It is an Ulam number.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 3617 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2⁵⁵⁷⁴⁹² is an apocalyptic number.

557492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

557492 is a deficient number, since it is larger than the sum of its proper divisors (515020).

557492 is a wasteful number, since it uses less digits than its factorization.

557492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 557492 is about 746.6538689379. The cubic root of 557492 is about 82.3024720380.

The spelling of 557492 in words is "five hundred fifty-seven thousand, four hundred ninety-two".