55136254163 has 2 divisors, whose sum is σ = 55136254164. Its totient is φ = 55136254162.

The previous prime is 55136254157. The next prime is 55136254171. The reversal of 55136254163 is 36145263155.

55136254163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55136254163 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55136254163.

It is not a weakly prime, because it can be changed into another prime (55136254153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568127081 + 27568127082.

It is an arithmetic number, because the mean of its divisors is an integer number (27568127082).

Almost surely, 2^55136254163 is an apocalyptic number.

55136254163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55136254163 is an equidigital number, since it uses as much as digits as its factorization.

55136254163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The spelling of 55136254163 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-four thousand, one hundred sixty-three".