55530603555 has 128 divisors (see below), whose sum is σ = 110182195200. Its totient is φ = 23316056064.

The previous prime is 55530603539. The next prime is 55530603563.

55530603555 is nontrivially palindromic in base 10.

55530603555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55530603555 - 2⁴ = 55530603539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11921787 + ... + 11926443.

It is an arithmetic number, because the mean of its divisors is an integer number (860798400).

Almost surely, 2^55530603555 is an apocalyptic number.

55530603555 is a deficient number, since it is larger than the sum of its proper divisors (54651591645).

55530603555 is a wasteful number, since it uses less digits than its factorization.

55530603555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 843750, while the sum is 42.

The spelling of 55530603555 in words is "fifty-five billion, five hundred thirty million, six hundred three thousand, five hundred fifty-five".