52717117289 has 2 divisors, whose sum is σ = 52717117290. Its totient is φ = 52717117288.

The previous prime is 52717117259. The next prime is 52717117291. The reversal of 52717117289 is 98271171725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52563357289 + 153760000 = 229267^2 + 12400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52717117289 is a prime.

Together with 52717117291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52717117259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26358558644 + 26358558645.

It is an arithmetic number, because the mean of its divisors is an integer number (26358558645).

Almost surely, 2^52717117289 is an apocalyptic number.

It is an amenable number.

52717117289 is a deficient number, since it is larger than the sum of its proper divisors (1).

52717117289 is an equidigital number, since it uses as much as digits as its factorization.

52717117289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 50.

The spelling of 52717117289 in words is "fifty-two billion, seven hundred seventeen million, one hundred seventeen thousand, two hundred eighty-nine".