556056116746577 has 4 divisors (see below), whose sum is σ = 558937236522660. Its totient is φ = 553174996970496.

The previous prime is 556056116746451. The next prime is 556056116746583. The reversal of 556056116746577 is 775647611650655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94416901850896 + 461639214895681 = 9716836^2 + 21485791^2 .

It is a cyclic number.

It is not a de Polignac number, because 556056116746577 - 2¹⁴ = 556056116730193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556056116746577.

It is not an unprimeable number, because it can be changed into a prime (556056116746877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440559887752 + ... + 1440559888137.

It is an arithmetic number, because the mean of its divisors is an integer number (139734309130665).

Almost surely, 2^{556056116746577} is an apocalyptic number.

It is an amenable number.

556056116746577 is a deficient number, since it is larger than the sum of its proper divisors (2881119776083).

556056116746577 is a wasteful number, since it uses less digits than its factorization.

556056116746577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881119776082.

The product of its (nonzero) digits is 1111320000, while the sum is 71.

The spelling of 556056116746577 in words is "five hundred fifty-six trillion, fifty-six billion, one hundred sixteen million, seven hundred forty-six thousand, five hundred seventy-seven".