5556556555 has 24 divisors (see below), whose sum is σ = 7714904400. Its totient is φ = 3828432960.

The previous prime is 5556556543. The next prime is 5556556583.

5556556555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556556555 - 2⁷ = 5556556427 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230200 + ... + 253189.

It is an arithmetic number, because the mean of its divisors is an integer number (321454350).

Almost surely, 2^5556556555 is an apocalyptic number.

5556556555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556556555 is a deficient number, since it is larger than the sum of its proper divisors (2158347845).

5556556555 is a wasteful number, since it uses less digits than its factorization.

5556556555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483435 (or 483424 counting only the distinct ones).

The product of its digits is 14062500, while the sum is 52.

The square root of 5556556555 is about 74542.3138559570. The cubic root of 5556556555 is about 1771.2039809800.

The spelling of 5556556555 in words is "five billion, five hundred fifty-six million, five hundred fifty-six thousand, five hundred fifty-five".