5559911555 has 32 divisors (see below), whose sum is σ = 7614701568. Its totient is φ = 3857673600.

The previous prime is 5559911521. The next prime is 5559911587. The reversal of 5559911555 is 5551199555.

It is not a de Polignac number, because 5559911555 - 2⁶ = 5559911491 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496670 + ... + 507740.

It is an arithmetic number, because the mean of its divisors is an integer number (237959424).

Almost surely, 2^5559911555 is an apocalyptic number.

5559911555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5559911555 is a deficient number, since it is larger than the sum of its proper divisors (2054790013).

5559911555 is a wasteful number, since it uses less digits than its factorization.

5559911555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507.

The product of its digits is 1265625, while the sum is 50.

The square root of 5559911555 is about 74564.8144569542. The cubic root of 5559911555 is about 1771.5603883888.

The spelling of 5559911555 in words is "five billion, five hundred fifty-nine million, nine hundred eleven thousand, five hundred fifty-five".