556275555 has 48 divisors (see below), whose sum is σ = 1055924064. Its totient is φ = 268669440.

The previous prime is 556275491. The next prime is 556275569. The reversal of 556275555 is 555572655.

It is a happy number.

It is not a de Polignac number, because 556275555 - 2⁶ = 556275491 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 556275555.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135087 + ... + 139143.

It is an arithmetic number, because the mean of its divisors is an integer number (21998418).

Almost surely, 2^556275555 is an apocalyptic number.

556275555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556275555 is a deficient number, since it is larger than the sum of its proper divisors (499648509).

556275555 is a wasteful number, since it uses less digits than its factorization.

556275555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4353 counting only the distinct ones).

The product of its digits is 1312500, while the sum is 45.

The square root of 556275555 is about 23585.4945888357. The cubic root of 556275555 is about 822.4256724007.

The spelling of 556275555 in words is "five hundred fifty-six million, two hundred seventy-five thousand, five hundred fifty-five".