53173580717 has 2 divisors, whose sum is σ = 53173580718. Its totient is φ = 53173580716.

The previous prime is 53173580701. The next prime is 53173580731. The reversal of 53173580717 is 71708537135.

53173580717 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., 41800211401 + 11373369316 = 204451^2 + 106646^2 .

It is a cyclic number.

It is not a de Polignac number, because 53173580717 - 2⁴ = 53173580701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53173580767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26586790358 + 26586790359.

It is an arithmetic number, because the mean of its divisors is an integer number (26586790359).

Almost surely, 2^53173580717 is an apocalyptic number.

It is an amenable number.

53173580717 is a deficient number, since it is larger than the sum of its proper divisors (1).

53173580717 is an equidigital number, since it uses as much as digits as its factorization.

53173580717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 53173580717 in words is "fifty-three billion, one hundred seventy-three million, five hundred eighty thousand, seven hundred seventeen".