5505555555 has 16 divisors (see below), whose sum is σ = 9787654560. Its totient is φ = 2936296224.

The previous prime is 5505555541. The next prime is 5505555593. The reversal of 5505555555 is 5555555055.

It is not a de Polignac number, because 5505555555 - 2⁶ = 5505555491 is a prime.

It is a super-2 number, since 2×5505555555² = 60622283938382716050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

5505555555 is a modest number, since divided by 55555 gives 55055 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 5505555555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20390812 + ... + 20391081.

It is an arithmetic number, because the mean of its divisors is an integer number (611728410).

Almost surely, 2^5505555555 is an apocalyptic number.

5505555555 is a deficient number, since it is larger than the sum of its proper divisors (4282099005).

5505555555 is a wasteful number, since it uses less digits than its factorization.

5505555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40781907 (or 40781901 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The square root of 5505555555 is about 74199.4309614299. The cubic root of 5505555555 is about 1765.7683023397.

The spelling of 5505555555 in words is "five billion, five hundred five million, five hundred fifty-five thousand, five hundred fifty-five".