52178586818353 has 2 divisors, whose sum is σ = 52178586818354. Its totient is φ = 52178586818352.

The previous prime is 52178586818297. The next prime is 52178586818447. The reversal of 52178586818353 is 35381868587125.

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., 51084654906609 + 1093931911744 = 7147353^2 + 1045912^2 .

It is a cyclic number.

It is not a de Polignac number, because 52178586818353 - 2³³ = 52169996883761 is a prime.

It is not a weakly prime, because it can be changed into another prime (52178586818453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26089293409176 + 26089293409177.

It is an arithmetic number, because the mean of its divisors is an integer number (26089293409177).

Almost surely, 2^{52178586818353} is an apocalyptic number.

It is an amenable number.

52178586818353 is a deficient number, since it is larger than the sum of its proper divisors (1).

52178586818353 is an equidigital number, since it uses as much as digits as its factorization.

52178586818353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072000, while the sum is 70.

The spelling of 52178586818353 in words is "fifty-two trillion, one hundred seventy-eight billion, five hundred eighty-six million, eight hundred eighteen thousand, three hundred fifty-three".