556415985 has 32 divisors (see below), whose sum is σ = 906145920. Its totient is φ = 291506688.

The previous prime is 556415963. The next prime is 556415999. The reversal of 556415985 is 589514655.

556415985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556415985 - 2⁹ = 556415473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216327 + ... + 218883.

It is an arithmetic number, because the mean of its divisors is an integer number (28317060).

Almost surely, 2^556415985 is an apocalyptic number.

It is an amenable number.

556415985 is a deficient number, since it is larger than the sum of its proper divisors (349729935).

556415985 is a wasteful number, since it uses less digits than its factorization.

556415985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its digits is 1080000, while the sum is 48.

The square root of 556415985 is about 23588.4714426349. The cubic root of 556415985 is about 822.4948728289.

The spelling of 556415985 in words is "five hundred fifty-six million, four hundred fifteen thousand, nine hundred eighty-five".