556197053817 has 16 divisors (see below), whose sum is σ = 747522331200. Its totient is φ = 367841234112.

The previous prime is 556197053807. The next prime is 556197053821. The reversal of 556197053817 is 718350791655.

It is a happy number.

It is not a de Polignac number, because 556197053817 - 2⁷ = 556197053689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556197053807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438738 + ... + 1142315.

It is an arithmetic number, because the mean of its divisors is an integer number (46720145700).

Almost surely, 2^556197053817 is an apocalyptic number.

It is an amenable number.

556197053817 is a deficient number, since it is larger than the sum of its proper divisors (191325277383).

556197053817 is a wasteful number, since it uses less digits than its factorization.

556197053817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581992.

The product of its (nonzero) digits is 7938000, while the sum is 57.

The spelling of 556197053817 in words is "five hundred fifty-six billion, one hundred ninety-seven million, fifty-three thousand, eight hundred seventeen".