55555055555 has 32 divisors (see below), whose sum is σ = 69229714176. Its totient is φ = 42768000000.

The previous prime is 55555055539. The next prime is 55555055579.

55555055555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55555055555 - 2⁴ = 55555055539 is a prime.

It is a Duffinian number.

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, 5606105 + ... + 5616005.

It is an arithmetic number, because the mean of its divisors is an integer number (2163428568).

Almost surely, 2^55555055555 is an apocalyptic number.

55555055555 is a deficient number, since it is larger than the sum of its proper divisors (13674658621).

55555055555 is a wasteful number, since it uses less digits than its factorization.

55555055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55555055555 in words is "fifty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred fifty-five".