53437302329 has 2 divisors, whose sum is σ = 53437302330. Its totient is φ = 53437302328.

The previous prime is 53437302319. The next prime is 53437302367. The reversal of 53437302329 is 92320373435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39532175929 + 13905126400 = 198827^2 + 117920^2 .

It is a cyclic number.

It is not a de Polignac number, because 53437302329 - 2²⁰ = 53436253753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53437302319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718651164 + 26718651165.

It is an arithmetic number, because the mean of its divisors is an integer number (26718651165).

Almost surely, 2^53437302329 is an apocalyptic number.

It is an amenable number.

53437302329 is a deficient number, since it is larger than the sum of its proper divisors (1).

53437302329 is an equidigital number, since it uses as much as digits as its factorization.

53437302329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 41.

The spelling of 53437302329 in words is "fifty-three billion, four hundred thirty-seven million, three hundred two thousand, three hundred twenty-nine".