559905985 has 16 divisors (see below), whose sum is σ = 686123856. Its totient is φ = 438524928.

The previous prime is 559905979. The next prime is 559906001. The reversal of 559905985 is 589509955.

It can be written as a sum of positive squares in 8 ways, for example, as 10284849 + 549621136 = 3207^2 + 23444^2 .

It is a cyclic number.

It is not a de Polignac number, because 559905985 - 2⁵ = 559905953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44407 + ... + 55603.

It is an arithmetic number, because the mean of its divisors is an integer number (42882741).

Almost surely, 2^559905985 is an apocalyptic number.

It is an amenable number.

559905985 is a deficient number, since it is larger than the sum of its proper divisors (126217871).

559905985 is a wasteful number, since it uses less digits than its factorization.

559905985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412.

The product of its (nonzero) digits is 3645000, while the sum is 55.

The square root of 559905985 is about 23662.3326195876. The cubic root of 559905985 is about 824.2109308757.

The spelling of 559905985 in words is "five hundred fifty-nine million, nine hundred five thousand, nine hundred eighty-five".