53015429 has 2 divisors, whose sum is σ = 53015430. Its totient is φ = 53015428.

The previous prime is 53015407. The next prime is 53015441. The reversal of 53015429 is 92451035.

53015429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 452929 = 7250^2 + 673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53015429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53015449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507714 + 26507715.

It is an arithmetic number, because the mean of its divisors is an integer number (26507715).

Almost surely, 2^53015429 is an apocalyptic number.

It is an amenable number.

53015429 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015429 is an equidigital number, since it uses as much as digits as its factorization.

53015429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 53015429 is about 7281.1694802415. The cubic root of 53015429 is about 375.6650220321.

The spelling of 53015429 in words is "fifty-three million, fifteen thousand, four hundred twenty-nine".