53224421329 has 2 divisors, whose sum is σ = 53224421330. Its totient is φ = 53224421328.

The previous prime is 53224421311. The next prime is 53224421347. The reversal of 53224421329 is 92312442235.

53224421329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (53224421311) and next prime (53224421347).

It can be written as a sum of positive squares in only one way, i.e., 45156250000 + 8068171329 = 212500^2 + 89823^2 .

It is a cyclic number.

It is not a de Polignac number, because 53224421329 - 2²³ = 53216032721 is a prime.

It is not a weakly prime, because it can be changed into another prime (53224421429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26612210664 + 26612210665.

It is an arithmetic number, because the mean of its divisors is an integer number (26612210665).

Almost surely, 2^53224421329 is an apocalyptic number.

It is an amenable number.

53224421329 is a deficient number, since it is larger than the sum of its proper divisors (1).

53224421329 is an equidigital number, since it uses as much as digits as its factorization.

53224421329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The spelling of 53224421329 in words is "fifty-three billion, two hundred twenty-four million, four hundred twenty-one thousand, three hundred twenty-nine".