55115223055 has 8 divisors (see below), whose sum is σ = 66189825072. Its totient is φ = 44057806848.

The previous prime is 55115223049. The next prime is 55115223071. The reversal of 55115223055 is 55032251155.

55115223055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55115223055 - 2¹⁹ = 55114698767 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 55115223055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4289394 + ... + 4302223.

It is an arithmetic number, because the mean of its divisors is an integer number (8273728134).

Almost surely, 2^55115223055 is an apocalyptic number.

55115223055 is a deficient number, since it is larger than the sum of its proper divisors (11074602017).

55115223055 is a wasteful number, since it uses less digits than its factorization.

55115223055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592905.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 55115223055 in words is "fifty-five billion, one hundred fifteen million, two hundred twenty-three thousand, fifty-five".