5556996555 has 32 divisors (see below), whose sum is σ = 9704413440. Its totient is φ = 2692932480.

The previous prime is 5556996517. The next prime is 5556996583.

5556996555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556996555 - 2¹¹ = 5556994507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366964 + ... + 381806.

It is an arithmetic number, because the mean of its divisors is an integer number (303262920).

Almost surely, 2^5556996555 is an apocalyptic number.

5556996555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556996555 is a deficient number, since it is larger than the sum of its proper divisors (4147416885).

5556996555 is a wasteful number, since it uses less digits than its factorization.

5556996555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17131.

The product of its digits is 45562500, while the sum is 60.

The square root of 5556996555 is about 74545.2651413891. The cubic root of 5556996555 is about 1771.2507311075.

The spelling of 5556996555 in words is "five billion, five hundred fifty-six million, nine hundred ninety-six thousand, five hundred fifty-five".