556717006551 has 32 divisors (see below), whose sum is σ = 761558934528. Its totient is φ = 361634549760.

The previous prime is 556717006541. The next prime is 556717006583. The reversal of 556717006551 is 155600717655.

It is not a de Polignac number, because 556717006551 - 2¹⁰ = 556717005527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556717006551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556717006541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40215391 + ... + 40229231.

It is an arithmetic number, because the mean of its divisors is an integer number (23798716704).

Almost surely, 2^556717006551 is an apocalyptic number.

556717006551 is a deficient number, since it is larger than the sum of its proper divisors (204841927977).

556717006551 is a wasteful number, since it uses less digits than its factorization.

556717006551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16071.

The product of its (nonzero) digits is 1102500, while the sum is 48.

The spelling of 556717006551 in words is "five hundred fifty-six billion, seven hundred seventeen million, six thousand, five hundred fifty-one".