53053439 has 2 divisors, whose sum is σ = 53053440. Its totient is φ = 53053438.

The previous prime is 53053423. The next prime is 53053463. The reversal of 53053439 is 93435035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53053439 - 2⁴ = 53053423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53053409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526719 + 26526720.

It is an arithmetic number, because the mean of its divisors is an integer number (26526720).

Almost surely, 2^53053439 is an apocalyptic number.

53053439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53053439 is an equidigital number, since it uses as much as digits as its factorization.

53053439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 53053439 is about 7283.7791701836. The cubic root of 53053439 is about 375.7547796531.

The spelling of 53053439 in words is "fifty-three million, fifty-three thousand, four hundred thirty-nine".