55236106613 has 2 divisors, whose sum is σ = 55236106614. Its totient is φ = 55236106612.

The previous prime is 55236106609. The next prime is 55236106637. The reversal of 55236106613 is 31660163255.

55236106613 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 can be written as a sum of positive squares in only one way, i.e., 47192348644 + 8043757969 = 217238^2 + 89687^2 .

It is a cyclic number.

It is not a de Polignac number, because 55236106613 - 2² = 55236106609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55236106603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27618053306 + 27618053307.

It is an arithmetic number, because the mean of its divisors is an integer number (27618053307).

Almost surely, 2^55236106613 is an apocalyptic number.

It is an amenable number.

55236106613 is a deficient number, since it is larger than the sum of its proper divisors (1).

55236106613 is an equidigital number, since it uses as much as digits as its factorization.

55236106613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 55236106613 its reverse (31660163255), we get a palindrome (86896269868).

The spelling of 55236106613 in words is "fifty-five billion, two hundred thirty-six million, one hundred six thousand, six hundred thirteen".