53522390693 has 2 divisors, whose sum is σ = 53522390694. Its totient is φ = 53522390692.

The previous prime is 53522390687. The next prime is 53522390767. The reversal of 53522390693 is 39609322535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36544821889 + 16977568804 = 191167^2 + 130298^2 .

It is a cyclic number.

It is not a de Polignac number, because 53522390693 - 2²⁶ = 53455281829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53522090693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26761195346 + 26761195347.

It is an arithmetic number, because the mean of its divisors is an integer number (26761195347).

Almost surely, 2^53522390693 is an apocalyptic number.

It is an amenable number.

53522390693 is a deficient number, since it is larger than the sum of its proper divisors (1).

53522390693 is an equidigital number, since it uses as much as digits as its factorization.

53522390693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1312200, while the sum is 47.

The spelling of 53522390693 in words is "fifty-three billion, five hundred twenty-two million, three hundred ninety thousand, six hundred ninety-three".