556297888792655 has 16 divisors (see below), whose sum is σ = 704444419404000. Its totient is φ = 420563832422400.

The previous prime is 556297888792637. The next prime is 556297888792687.

It is a happy number.

556297888792655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556297888792655 - 2⁴² = 551899842281551 is a prime.

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, 7301417330 + ... + 7301493519.

It is an arithmetic number, because the mean of its divisors is an integer number (44027776212750).

Almost surely, 2^{556297888792655} is an apocalyptic number.

556297888792655 is a deficient number, since it is larger than the sum of its proper divisors (148146530611345).

556297888792655 is a wasteful number, since it uses less digits than its factorization.

556297888792655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602911274.

The product of its digits is 182891520000, while the sum is 92.

The spelling of 556297888792655 in words is "five hundred fifty-six trillion, two hundred ninety-seven billion, eight hundred eighty-eight million, seven hundred ninety-two thousand, six hundred fifty-five".