55205050255 has 4 divisors (see below), whose sum is σ = 66246060312. Its totient is φ = 44164040200.

The previous prime is 55205050193. The next prime is 55205050289.

55205050255 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55205050255 - 2⁷ = 55205050127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55205050255.

It is a congruent 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, 5520505021 + ... + 5520505030.

It is an arithmetic number, because the mean of its divisors is an integer number (16561515078).

Almost surely, 2^55205050255 is an apocalyptic number.

55205050255 is a deficient number, since it is larger than the sum of its proper divisors (11041010057).

55205050255 is a wasteful number, since it uses less digits than its factorization.

55205050255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041010056.

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55205050255 in words is "fifty-five billion, two hundred five million, fifty thousand, two hundred fifty-five".