53499837593 has 2 divisors, whose sum is σ = 53499837594. Its totient is φ = 53499837592.

The previous prime is 53499837571. The next prime is 53499837701. The reversal of 53499837593 is 39573899435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42893309449 + 10606528144 = 207107^2 + 102988^2 .

It is a cyclic number.

It is not a de Polignac number, because 53499837593 - 2⁶ = 53499837529 is a prime.

It is not a weakly prime, because it can be changed into another prime (53499837793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26749918796 + 26749918797.

It is an arithmetic number, because the mean of its divisors is an integer number (26749918797).

Almost surely, 2^53499837593 is an apocalyptic number.

It is an amenable number.

53499837593 is a deficient number, since it is larger than the sum of its proper divisors (1).

53499837593 is an equidigital number, since it uses as much as digits as its factorization.

53499837593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110224800, while the sum is 65.

The spelling of 53499837593 in words is "fifty-three billion, four hundred ninety-nine million, eight hundred thirty-seven thousand, five hundred ninety-three".