53399552593 has 2 divisors, whose sum is σ = 53399552594. Its totient is φ = 53399552592.

The previous prime is 53399552581. The next prime is 53399552651. The reversal of 53399552593 is 39525599335.

It is an a-pointer prime, because the next prime (53399552651) can be obtained adding 53399552593 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42676535889 + 10723016704 = 206583^2 + 103552^2 .

It is a cyclic number.

It is not a de Polignac number, because 53399552593 - 2²⁹ = 52862681681 is a prime.

It is not a weakly prime, because it can be changed into another prime (53399558593) 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, 26699776296 + 26699776297.

It is an arithmetic number, because the mean of its divisors is an integer number (26699776297).

Almost surely, 2^53399552593 is an apocalyptic number.

It is an amenable number.

53399552593 is a deficient number, since it is larger than the sum of its proper divisors (1).

53399552593 is an equidigital number, since it uses as much as digits as its factorization.

53399552593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24603750, while the sum is 58.

The spelling of 53399552593 in words is "fifty-three billion, three hundred ninety-nine million, five hundred fifty-two thousand, five hundred ninety-three".