55136254165 has 16 divisors (see below), whose sum is σ = 66884548608. Its totient is φ = 43629576256.

The previous prime is 55136254163. The next prime is 55136254171. The reversal of 55136254165 is 56145263155.

It is a happy number.

55136254165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55136254165 - 2¹ = 55136254163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55136254163) 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, 270444 + ... + 428266.

It is an arithmetic number, because the mean of its divisors is an integer number (4180284288).

Almost surely, 2^55136254165 is an apocalyptic number.

It is an amenable number.

55136254165 is a deficient number, since it is larger than the sum of its proper divisors (11748294443).

55136254165 is a wasteful number, since it uses less digits than its factorization.

55136254165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158588.

The product of its digits is 540000, while the sum is 43.

The spelling of 55136254165 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-four thousand, one hundred sixty-five".