52485521808319 has 2 divisors, whose sum is σ = 52485521808320. Its totient is φ = 52485521808318.

The previous prime is 52485521808299. The next prime is 52485521808323. The reversal of 52485521808319 is 91380812558425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52485521808319 - 2¹⁵ = 52485521775551 is a prime.

It is a super-2 number, since 2×52485521808319² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52485521800319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26242760904159 + 26242760904160.

It is an arithmetic number, because the mean of its divisors is an integer number (26242760904160).

Almost surely, 2^{52485521808319} is an apocalyptic number.

52485521808319 is a deficient number, since it is larger than the sum of its proper divisors (1).

52485521808319 is an equidigital number, since it uses as much as digits as its factorization.

52485521808319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648000, while the sum is 61.

The spelling of 52485521808319 in words is "fifty-two trillion, four hundred eighty-five billion, five hundred twenty-one million, eight hundred eight thousand, three hundred nineteen".