55439705249713 has 2 divisors, whose sum is σ = 55439705249714. Its totient is φ = 55439705249712.

The previous prime is 55439705249653. The next prime is 55439705249723. The reversal of 55439705249713 is 31794250793455.

55439705249713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37515049252209 + 17924655997504 = 6124953^2 + 4233752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55439705249713 is a prime.

It is not a weakly prime, because it can be changed into another prime (55439705249723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27719852624856 + 27719852624857.

It is an arithmetic number, because the mean of its divisors is an integer number (27719852624857).

Almost surely, 2^{55439705249713} is an apocalyptic number.

It is an amenable number.

55439705249713 is a deficient number, since it is larger than the sum of its proper divisors (1).

55439705249713 is an equidigital number, since it uses as much as digits as its factorization.

55439705249713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884000, while the sum is 64.

The spelling of 55439705249713 in words is "fifty-five trillion, four hundred thirty-nine billion, seven hundred five million, two hundred forty-nine thousand, seven hundred thirteen".