53568839 has 2 divisors, whose sum is σ = 53568840. Its totient is φ = 53568838.

The previous prime is 53568803. The next prime is 53568857. The reversal of 53568839 is 93886535.

It is a happy number.

53568839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53568839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53568793 and 53568802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53568869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26784419 + 26784420.

It is an arithmetic number, because the mean of its divisors is an integer number (26784420).

Almost surely, 2^53568839 is an apocalyptic number.

53568839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53568839 is an equidigital number, since it uses as much as digits as its factorization.

53568839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The square root of 53568839 is about 7319.0736435699. The cubic root of 53568839 is about 376.9676463310.

The spelling of 53568839 in words is "fifty-three million, five hundred sixty-eight thousand, eight hundred thirty-nine".