556274534856 has 64 divisors (see below), whose sum is σ = 1428389356800. Its totient is φ = 180398596608.

The previous prime is 556274534737. The next prime is 556274534863. The reversal of 556274534856 is 658435472655.

It is a self number, because there is not a number n which added to its sum of digits gives 556274534856.

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, 17823441 + ... + 17854623.

It is an arithmetic number, because the mean of its divisors is an integer number (22318583700).

Almost surely, 2^556274534856 is an apocalyptic number.

It is an amenable number.

556274534856 is an abundant number, since it is smaller than the sum of its proper divisors (872114821944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556274534856 is a wasteful number, since it uses less digits than its factorization.

556274534856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51318 (or 51314 counting only the distinct ones).

The product of its digits is 120960000, while the sum is 60.

The spelling of 556274534856 in words is "five hundred fifty-six billion, two hundred seventy-four million, five hundred thirty-four thousand, eight hundred fifty-six".