53043239 has 2 divisors, whose sum is σ = 53043240. Its totient is φ = 53043238.

The previous prime is 53043191. The next prime is 53043253. The reversal of 53043239 is 93234035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53043239 - 2¹⁶ = 52977703 is a prime.

It is a super-2 number, since 2×53043239² = 5627170407222242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3172493 and since 53043239 and 3172493 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53043259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521619 + 26521620.

It is an arithmetic number, because the mean of its divisors is an integer number (26521620).

Almost surely, 2^53043239 is an apocalyptic number.

53043239 is a deficient number, since it is larger than the sum of its proper divisors (1).

53043239 is an equidigital number, since it uses as much as digits as its factorization.

53043239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 53043239 is about 7283.0789505538. The cubic root of 53043239 is about 375.7306973663.

The spelling of 53043239 in words is "fifty-three million, forty-three thousand, two hundred thirty-nine".