5558118555 has 32 divisors (see below), whose sum is σ = 9712684800. Its totient is φ = 2691722880.

The previous prime is 5558118539. The next prime is 5558118563.

It is a happy number.

5558118555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5558118555 - 2⁴ = 5558118539 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, 126621 + ... + 164769.

It is an arithmetic number, because the mean of its divisors is an integer number (303521400).

Almost surely, 2^5558118555 is an apocalyptic number.

5558118555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5558118555 is a deficient number, since it is larger than the sum of its proper divisors (4154566245).

5558118555 is a wasteful number, since it uses less digits than its factorization.

5558118555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39051.

The product of its digits is 1000000, while the sum is 48.

The square root of 5558118555 is about 74552.7903904341. The cubic root of 5558118555 is about 1771.3699327639.

The spelling of 5558118555 in words is "five billion, five hundred fifty-eight million, one hundred eighteen thousand, five hundred fifty-five".