55120306042455 has 16 divisors (see below), whose sum is σ = 88195357801824. Its totient is φ = 29396540511360.

The previous prime is 55120306042453. The next prime is 55120306042547. The reversal of 55120306042455 is 55424060302155.

It is not a de Polignac number, because 55120306042455 - 2¹ = 55120306042453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55120306042453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59276056 + ... + 60198765.

It is an arithmetic number, because the mean of its divisors is an integer number (5512209862614).

Almost surely, 2^{55120306042455} is an apocalyptic number.

55120306042455 is a deficient number, since it is larger than the sum of its proper divisors (33075051759369).

55120306042455 is a wasteful number, since it uses less digits than its factorization.

55120306042455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119505586.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 55120306042455 in words is "fifty-five trillion, one hundred twenty billion, three hundred six million, forty-two thousand, four hundred fifty-five".