55706517503993 has 2 divisors, whose sum is σ = 55706517503994. Its totient is φ = 55706517503992.

The previous prime is 55706517503927. The next prime is 55706517504007. The reversal of 55706517503993 is 39930571560755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49032107257849 + 6674410246144 = 7002293^2 + 2583488^2 .

It is a cyclic number.

It is not a de Polignac number, because 55706517503993 - 2²⁰ = 55706516455417 is a prime.

It is not a weakly prime, because it can be changed into another prime (55706517503293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853258751996 + 27853258751997.

It is an arithmetic number, because the mean of its divisors is an integer number (27853258751997).

Almost surely, 2^{55706517503993} is an apocalyptic number.

It is an amenable number.

55706517503993 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706517503993 is an equidigital number, since it uses as much as digits as its factorization.

55706517503993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 133953750, while the sum is 65.

The spelling of 55706517503993 in words is "fifty-five trillion, seven hundred six billion, five hundred seventeen million, five hundred three thousand, nine hundred ninety-three".