556552255655 has 16 divisors (see below), whose sum is σ = 731759076000. Its totient is φ = 402997733760.

The previous prime is 556552255621. The next prime is 556552255663.

It is a happy number.

556552255655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556552255655 - 2³⁰ = 555478513831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556552255655.

It is a congruent 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, 22081580 + ... + 22106769.

It is an arithmetic number, because the mean of its divisors is an integer number (45734942250).

Almost surely, 2^556552255655 is an apocalyptic number.

556552255655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556552255655 is a deficient number, since it is larger than the sum of its proper divisors (175206820345).

556552255655 is a wasteful number, since it uses less digits than its factorization.

556552255655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44188594.

The product of its digits is 56250000, while the sum is 56.

The spelling of 556552255655 in words is "five hundred fifty-six billion, five hundred fifty-two million, two hundred fifty-five thousand, six hundred fifty-five".