556110009 has 32 divisors (see below), whose sum is σ = 1013994240. Its totient is φ = 293331456.

The previous prime is 556109971. The next prime is 556110029. The reversal of 556110009 is 900011655.

556110009 is a `hidden beast` number, since 556 + 1 + 100 + 0 + 9 = 666.

It is not a de Polignac number, because 556110009 - 2⁷ = 556109881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (556110029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110712 + ... + 115625.

It is an arithmetic number, because the mean of its divisors is an integer number (31687320).

Almost surely, 2^556110009 is an apocalyptic number.

It is an amenable number.

556110009 is a deficient number, since it is larger than the sum of its proper divisors (457884231).

556110009 is a wasteful number, since it uses less digits than its factorization.

556110009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226366 (or 226360 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 556110009 is about 23581.9848401274. The cubic root of 556110009 is about 822.3440804706.

The spelling of 556110009 in words is "five hundred fifty-six million, one hundred ten thousand, nine".