557999985 has 8 divisors (see below), whose sum is σ = 892800000. Its totient is φ = 297599984.

The previous prime is 557999957. The next prime is 558000011. The reversal of 557999985 is 589999755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557999985 - 2¹⁸ = 557737841 is a prime.

It is a super-2 number, since 2×557999985² = 622727966520000450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18599985 + ... + 18600014.

It is an arithmetic number, because the mean of its divisors is an integer number (111600000).

Almost surely, 2^557999985 is an apocalyptic number.

It is an amenable number.

557999985 is a deficient number, since it is larger than the sum of its proper divisors (334800015).

557999985 is a wasteful number, since it uses less digits than its factorization.

557999985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37200007.

The product of its digits is 45927000, while the sum is 66.

The square root of 557999985 is about 23622.0233045351. The cubic root of 557999985 is about 823.2746236919.

The spelling of 557999985 in words is "five hundred fifty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-five".