5555445555 has 96 divisors (see below), whose sum is σ = 10401965568. Its totient is φ = 2510233600.

The previous prime is 5555445517. The next prime is 5555445563.

5555445555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5555445555 - 2⁶ = 5555445491 is a prime.

It is a zygodrome in base 10.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 5387890 + ... + 5388920.

It is an arithmetic number, because the mean of its divisors is an integer number (108353808).

Almost surely, 2^5555445555 is an apocalyptic number.

5555445555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5555445555 is a deficient number, since it is larger than the sum of its proper divisors (4846520013).

5555445555 is a wasteful number, since it uses less digits than its factorization.

5555445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1180 counting only the distinct ones).

The product of its digits is 6250000, while the sum is 48.

The square root of 5555445555 is about 74534.8613401809. The cubic root of 5555445555 is about 1771.0859259239.

The spelling of 5555445555 in words is "five billion, five hundred fifty-five million, four hundred forty-five thousand, five hundred fifty-five".