53964839 has 2 divisors, whose sum is σ = 53964840. Its totient is φ = 53964838.

The previous prime is 53964829. The next prime is 53964913. The reversal of 53964839 is 93846935.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53964839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53964793 and 53964802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53964829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26982419 + 26982420.

It is an arithmetic number, because the mean of its divisors is an integer number (26982420).

Almost surely, 2^53964839 is an apocalyptic number.

53964839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53964839 is an equidigital number, since it uses as much as digits as its factorization.

53964839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 53964839 is about 7346.0764357581. The cubic root of 53964839 is about 377.8942599637.

The spelling of 53964839 in words is "fifty-three million, nine hundred sixty-four thousand, eight hundred thirty-nine".