556000000551 has 16 divisors (see below), whose sum is σ = 823838519520. Its totient is φ = 370606000320.

The previous prime is 556000000529. The next prime is 556000000561. The reversal of 556000000551 is 155000000655.

556000000551 is a `hidden beast` number, since 5 + 5 + 600 + 0 + 0 + 0 + 0 + 5 + 51 = 666.

It is not a de Polignac number, because 556000000551 - 2³⁵ = 521640262183 is a prime.

It is a super-2 number, since 2×556000000551² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556000000561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516860 + ... + 1847393.

It is an arithmetic number, because the mean of its divisors is an integer number (51489907470).

Almost surely, 2^556000000551 is an apocalyptic number.

556000000551 is a deficient number, since it is larger than the sum of its proper divisors (267838518969).

556000000551 is a wasteful number, since it uses less digits than its factorization.

556000000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370383 (or 3370377 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 556000000551 in words is "five hundred fifty-six billion, five hundred fifty-one", and thus it is an aban number.