55116310220145 has 24 divisors (see below), whose sum is σ = 95542268965416. Its totient is φ = 29393109681408.

The previous prime is 55116310220071. The next prime is 55116310220173. The reversal of 55116310220145 is 54102201361155.

55116310220145 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 631 + 0 + 2 + 2 + 0 + 14 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26753432106384 + 28362878113761 = 5172372^2 + 5325681^2 .

It is not a de Polignac number, because 55116310220145 - 2¹⁵ = 55116310187377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46402194 + ... + 47575163.

It is an arithmetic number, because the mean of its divisors is an integer number (3980927873559).

Almost surely, 2^{55116310220145} is an apocalyptic number.

It is an amenable number.

55116310220145 is a deficient number, since it is larger than the sum of its proper divisors (40425958745271).

55116310220145 is a wasteful number, since it uses less digits than its factorization.

55116310220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93990401 (or 93990398 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 55116310220145 in words is "fifty-five trillion, one hundred sixteen billion, three hundred ten million, two hundred twenty thousand, one hundred forty-five".