556432234655 has 16 divisors (see below), whose sum is σ = 730000500768. Its totient is φ = 403800144000.

The previous prime is 556432234649. The next prime is 556432234663.

It is a happy number.

556432234655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556432234655 - 2⁸ = 556432234399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10947476 + ... + 10998185.

It is an arithmetic number, because the mean of its divisors is an integer number (45625031298).

Almost surely, 2^556432234655 is an apocalyptic number.

556432234655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556432234655 is a deficient number, since it is larger than the sum of its proper divisors (173568266113).

556432234655 is a wasteful number, since it uses less digits than its factorization.

556432234655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946138.

The product of its digits is 12960000, while the sum is 50.

The spelling of 556432234655 in words is "five hundred fifty-six billion, four hundred thirty-two million, two hundred thirty-four thousand, six hundred fifty-five".