557972982 has 64 divisors (see below), whose sum is σ = 1429724160. Its totient is φ = 157997952.

The previous prime is 557972969. The next prime is 557973023. The reversal of 557972982 is 289279755.

557972982 is a `hidden beast` number, since 557 + 9 + 7 + 2 + 9 + 82 = 666.

It is a super-2 number, since 2×557972982² = 622667697283944648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 36183 + ... + 49245.

It is an arithmetic number, because the mean of its divisors is an integer number (22339440).

Almost surely, 2^557972982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557972982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714862080).

557972982 is an abundant number, since it is smaller than the sum of its proper divisors (871751178).

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

557972982 is a wasteful number, since it uses less digits than its factorization.

557972982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194 (or 13188 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 557972982 is about 23621.4517335408. The cubic root of 557972982 is about 823.2613433789.

The spelling of 557972982 in words is "five hundred fifty-seven million, nine hundred seventy-two thousand, nine hundred eighty-two".