55044244215 has 48 divisors (see below), whose sum is σ = 101703014400. Its totient is φ = 27459746496.

The previous prime is 55044244193. The next prime is 55044244243. The reversal of 55044244215 is 51244244055.

55044244215 is a `hidden beast` number, since 550 + 4 + 42 + 44 + 21 + 5 = 666.

55044244215 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 55044244215 - 2⁹ = 55044243703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55044244215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339919 + ... + 475008.

It is an arithmetic number, because the mean of its divisors is an integer number (2118812800).

Almost surely, 2^55044244215 is an apocalyptic number.

55044244215 is a deficient number, since it is larger than the sum of its proper divisors (46658770185).

55044244215 is a wasteful number, since it uses less digits than its factorization.

55044244215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815036 (or 815033 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 55044244215 in words is "fifty-five billion, forty-four million, two hundred forty-four thousand, two hundred fifteen".