556000055 has 16 divisors (see below), whose sum is σ = 730307424. Its totient is φ = 403850880.

The previous prime is 556000033. The next prime is 556000069. The reversal of 556000055 is 550000655.

556000055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556000055 - 2¹⁴ = 555983671 is a prime.

It is a super-2 number, since 2×556000055² = 618272122320006050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555999988 and 556000033.

It is a congruent number.

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, 66149 + ... + 74078.

It is an arithmetic number, because the mean of its divisors is an integer number (45644214).

Almost surely, 2^556000055 is an apocalyptic number.

556000055 is a deficient number, since it is larger than the sum of its proper divisors (174307369).

556000055 is a wasteful number, since it uses less digits than its factorization.

556000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140306.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 556000055 is about 23579.6534113629. The cubic root of 556000055 is about 822.2898789760.

The spelling of 556000055 in words is "five hundred fifty-six million, fifty-five", and thus it is an aban number.