55126265555 has 4 divisors (see below), whose sum is σ = 66151518672. Its totient is φ = 44101012440.

The previous prime is 55126265527. The next prime is 55126265563. The reversal of 55126265555 is 55556262155.

55126265555 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-55126265555 is a prime.

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, 5512626551 + ... + 5512626560.

It is an arithmetic number, because the mean of its divisors is an integer number (16537879668).

Almost surely, 2^55126265555 is an apocalyptic number.

55126265555 is a deficient number, since it is larger than the sum of its proper divisors (11025253117).

55126265555 is a wasteful number, since it uses less digits than its factorization.

55126265555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025253116.

The product of its digits is 2250000, while the sum is 47.

The spelling of 55126265555 in words is "fifty-five billion, one hundred twenty-six million, two hundred sixty-five thousand, five hundred fifty-five".