53452309693 has 2 divisors, whose sum is σ = 53452309694. Its totient is φ = 53452309692.

The previous prime is 53452309613. The next prime is 53452309817. The reversal of 53452309693 is 39690325435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28583650489 + 24868659204 = 169067^2 + 157698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53452309693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53452309613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26726154846 + 26726154847.

It is an arithmetic number, because the mean of its divisors is an integer number (26726154847).

Almost surely, 2^53452309693 is an apocalyptic number.

It is an amenable number.

53452309693 is a deficient number, since it is larger than the sum of its proper divisors (1).

53452309693 is an equidigital number, since it uses as much as digits as its factorization.

53452309693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 49.

The spelling of 53452309693 in words is "fifty-three billion, four hundred fifty-two million, three hundred nine thousand, six hundred ninety-three".