53841439 has 2 divisors, whose sum is σ = 53841440. Its totient is φ = 53841438.

The previous prime is 53841433. The next prime is 53841517. The reversal of 53841439 is 93414835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53841439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53841398 and 53841407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53841433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26920719 + 26920720.

It is an arithmetic number, because the mean of its divisors is an integer number (26920720).

Almost surely, 2^53841439 is an apocalyptic number.

53841439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53841439 is an equidigital number, since it uses as much as digits as its factorization.

53841439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 53841439 is about 7337.6725874081. The cubic root of 53841439 is about 377.6059997932.

The spelling of 53841439 in words is "fifty-three million, eight hundred forty-one thousand, four hundred thirty-nine".