52391417017 has 2 divisors, whose sum is σ = 52391417018. Its totient is φ = 52391417016.

The previous prime is 52391416993. The next prime is 52391417051. The reversal of 52391417017 is 71071419325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48352051881 + 4039365136 = 219891^2 + 63556^2 .

It is a cyclic number.

It is not a de Polignac number, because 52391417017 - 2¹¹ = 52391414969 is a prime.

It is not a weakly prime, because it can be changed into another prime (52391417317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26195708508 + 26195708509.

It is an arithmetic number, because the mean of its divisors is an integer number (26195708509).

Almost surely, 2^52391417017 is an apocalyptic number.

It is an amenable number.

52391417017 is a deficient number, since it is larger than the sum of its proper divisors (1).

52391417017 is an equidigital number, since it uses as much as digits as its factorization.

52391417017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 52391417017 in words is "fifty-two billion, three hundred ninety-one million, four hundred seventeen thousand, seventeen".