53230344521 has 2 divisors, whose sum is σ = 53230344522. Its totient is φ = 53230344520.

The previous prime is 53230344499. The next prime is 53230344523. The reversal of 53230344521 is 12544303235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52438710025 + 791634496 = 228995^2 + 28136^2 .

It is a cyclic number.

It is not a de Polignac number, because 53230344521 - 2¹⁰ = 53230343497 is a prime.

It is a Sophie Germain prime.

Together with 53230344523, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53230344523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26615172260 + 26615172261.

It is an arithmetic number, because the mean of its divisors is an integer number (26615172261).

Almost surely, 2^53230344521 is an apocalyptic number.

It is an amenable number.

53230344521 is a deficient number, since it is larger than the sum of its proper divisors (1).

53230344521 is an equidigital number, since it uses as much as digits as its factorization.

53230344521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 53230344521 its reverse (12544303235), we get a palindrome (65774647756).

The spelling of 53230344521 in words is "fifty-three billion, two hundred thirty million, three hundred forty-four thousand, five hundred twenty-one".