52505585917493 has 2 divisors, whose sum is σ = 52505585917494. Its totient is φ = 52505585917492.

The previous prime is 52505585917487. The next prime is 52505585917549. The reversal of 52505585917493 is 39471958550525.

52505585917493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50737385428324 + 1768200489169 = 7123018^2 + 1329737^2 .

It is a cyclic number.

It is not a de Polignac number, because 52505585917493 - 2¹² = 52505585913397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52505585914493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26252792958746 + 26252792958747.

It is an arithmetic number, because the mean of its divisors is an integer number (26252792958747).

Almost surely, 2^{52505585917493} is an apocalyptic number.

It is an amenable number.

52505585917493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52505585917493 is an equidigital number, since it uses as much as digits as its factorization.

52505585917493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200000, while the sum is 68.

The spelling of 52505585917493 in words is "fifty-two trillion, five hundred five billion, five hundred eighty-five million, nine hundred seventeen thousand, four hundred ninety-three".