53124233021 has 2 divisors, whose sum is σ = 53124233022. Its totient is φ = 53124233020.

The previous prime is 53124233017. The next prime is 53124233023. The reversal of 53124233021 is 12033242135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51361156900 + 1763076121 = 226630^2 + 41989^2 .

It is a cyclic number.

It is not a de Polignac number, because 53124233021 - 2² = 53124233017 is a prime.

Together with 53124233023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53124233023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562116510 + 26562116511.

It is an arithmetic number, because the mean of its divisors is an integer number (26562116511).

Almost surely, 2^53124233021 is an apocalyptic number.

It is an amenable number.

53124233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

53124233021 is an equidigital number, since it uses as much as digits as its factorization.

53124233021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 53124233021 its reverse (12033242135), we get a palindrome (65157475156).

The spelling of 53124233021 in words is "fifty-three billion, one hundred twenty-four million, two hundred thirty-three thousand, twenty-one".