5555540555 has 4 divisors (see below), whose sum is σ = 6666648672. Its totient is φ = 4444432440.

The previous prime is 5555540537. The next prime is 5555540563. The reversal of 5555540555 is 5550455555.

5555540555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5555540555 - 2¹⁶ = 5555475019 is a prime.

It is a super-3 number, since 3×5555540555³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555554051 + ... + 555554060.

It is an arithmetic number, because the mean of its divisors is an integer number (1666662168).

Almost surely, 2^5555540555 is an apocalyptic number.

5555540555 is a deficient number, since it is larger than the sum of its proper divisors (1111108117).

5555540555 is a wasteful number, since it uses less digits than its factorization.

5555540555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111108116.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The square root of 5555540555 is about 74535.4986231393. The cubic root of 5555540555 is about 1771.0960212560.

The spelling of 5555540555 in words is "five billion, five hundred fifty-five million, five hundred forty thousand, five hundred fifty-five".