557982 has 16 divisors (see below), whose sum is σ = 1240080. Its totient is φ = 185976.

The previous prime is 557981. The next prime is 557987. The reversal of 557982 is 289755.

557982 is a `hidden beast` number, since 5 + 579 + 82 = 666.

It is a super-2 number, since 2×557982² = 622687824648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (77505).

2⁵⁵⁷⁹⁸² is an apocalyptic number.

557982 is an abundant number, since it is smaller than the sum of its proper divisors (682098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557982 is a wasteful number, since it uses less digits than its factorization.

557982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344 (or 10338 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 557982 is about 746.9819274922. The cubic root of 557982 is about 82.3265778558.

The spelling of 557982 in words is "five hundred fifty-seven thousand, nine hundred eighty-two".