53396839 has 2 divisors, whose sum is σ = 53396840. Its totient is φ = 53396838.

The previous prime is 53396807. The next prime is 53396857. The reversal of 53396839 is 93869335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53396839 - 2⁵ = 53396807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53396879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26698419 + 26698420.

It is an arithmetic number, because the mean of its divisors is an integer number (26698420).

Almost surely, 2^53396839 is an apocalyptic number.

53396839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53396839 is an equidigital number, since it uses as much as digits as its factorization.

53396839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 53396839 is about 7307.3140756368. The cubic root of 53396839 is about 376.5637550930.

The spelling of 53396839 in words is "fifty-three million, three hundred ninety-six thousand, eight hundred thirty-nine".