5556116555 has 32 divisors (see below), whose sum is σ = 7665020928. Its totient is φ = 3826768000.

The previous prime is 5556116543. The next prime is 5556116557.

5556116555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556116555 - 2⁶ = 5556116491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556116557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106022 + ... + 149508.

It is an arithmetic number, because the mean of its divisors is an integer number (239531904).

Almost surely, 2^5556116555 is an apocalyptic number.

5556116555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556116555 is a deficient number, since it is larger than the sum of its proper divisors (2108904373).

5556116555 is a wasteful number, since it uses less digits than its factorization.

5556116555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43627.

The product of its digits is 562500, while the sum is 44.

The square root of 5556116555 is about 74539.3624536728. The cubic root of 5556116555 is about 1771.1572283845.

The spelling of 5556116555 in words is "five billion, five hundred fifty-six million, one hundred sixteen thousand, five hundred fifty-five".