556542245655 has 64 divisors (see below), whose sum is σ = 1108526515200. Its totient is φ = 262545701760.

The previous prime is 556542245629. The next prime is 556542245671.

It is a happy number.

556542245655 is a `hidden beast` number, since 5 + 5 + 6 + 54 + 2 + 24 + 565 + 5 = 666.

556542245655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556542245655 - 2⁶ = 556542245591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5009595 + ... + 5119484.

It is an arithmetic number, because the mean of its divisors is an integer number (17320726800).

Almost surely, 2^556542245655 is an apocalyptic number.

556542245655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556542245655 is a deficient number, since it is larger than the sum of its proper divisors (551984269545).

556542245655 is a wasteful number, since it uses less digits than its factorization.

556542245655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129141 (or 10129135 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 556542245655 in words is "five hundred fifty-six billion, five hundred forty-two million, two hundred forty-five thousand, six hundred fifty-five".