53234022421 has 2 divisors, whose sum is σ = 53234022422. Its totient is φ = 53234022420.

The previous prime is 53234022379. The next prime is 53234022427. The reversal of 53234022421 is 12422043235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53136704196 + 97318225 = 230514^2 + 9865^2 .

It is a cyclic number.

It is not a de Polignac number, because 53234022421 - 2²⁹ = 52697151509 is a prime.

It is a super-2 number, since 2×53234022421² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53234022421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53234022427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26617011210 + 26617011211.

It is an arithmetic number, because the mean of its divisors is an integer number (26617011211).

Almost surely, 2^53234022421 is an apocalyptic number.

It is an amenable number.

53234022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

53234022421 is an equidigital number, since it uses as much as digits as its factorization.

53234022421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 53234022421 its reverse (12422043235), we get a palindrome (65656065656).

The spelling of 53234022421 in words is "fifty-three billion, two hundred thirty-four million, twenty-two thousand, four hundred twenty-one".