556000005556 has 6 divisors (see below), whose sum is σ = 973000009730. Its totient is φ = 278000002776.

The previous prime is 556000005521. The next prime is 556000005569. The reversal of 556000005556 is 655500000655.

It can be written as a sum of positive squares in only one way, i.e., 356444820900 + 199555184656 = 597030^2 + 446716^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 69500000691 + ... + 69500000698.

Almost surely, 2^556000005556 is an apocalyptic number.

It is an amenable number.

556000005556 is a deficient number, since it is larger than the sum of its proper divisors (417000004174).

556000005556 is a wasteful number, since it uses less digits than its factorization.

556000005556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139000001393 (or 139000001391 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 556000005556 in words is "five hundred fifty-six billion, five thousand, five hundred fifty-six".