53517756266713 has 2 divisors, whose sum is σ = 53517756266714. Its totient is φ = 53517756266712.

The previous prime is 53517756266683. The next prime is 53517756266729. The reversal of 53517756266713 is 31766265771535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39486041899264 + 14031714367449 = 6283792^2 + 3745893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53517756266713 is a prime.

It is not a weakly prime, because it can be changed into another prime (53517756260713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758878133356 + 26758878133357.

It is an arithmetic number, because the mean of its divisors is an integer number (26758878133357).

Almost surely, 2^{53517756266713} is an apocalyptic number.

It is an amenable number.

53517756266713 is a deficient number, since it is larger than the sum of its proper divisors (1).

53517756266713 is an equidigital number, since it uses as much as digits as its factorization.

53517756266713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698000, while the sum is 64.

The spelling of 53517756266713 in words is "fifty-three trillion, five hundred seventeen billion, seven hundred fifty-six million, two hundred sixty-six thousand, seven hundred thirteen".