53316839 has 2 divisors, whose sum is σ = 53316840. Its totient is φ = 53316838.

The previous prime is 53316833. The next prime is 53316853. The reversal of 53316839 is 93861335.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53316839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53316833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658419 + 26658420.

It is an arithmetic number, because the mean of its divisors is an integer number (26658420).

Almost surely, 2^53316839 is an apocalyptic number.

53316839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53316839 is an equidigital number, since it uses as much as digits as its factorization.

53316839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 53316839 is about 7301.8380562705. The cubic root of 53316839 is about 376.3756031465.

The spelling of 53316839 in words is "fifty-three million, three hundred sixteen thousand, eight hundred thirty-nine".