53055839 has 2 divisors, whose sum is σ = 53055840. Its totient is φ = 53055838.

The previous prime is 53055833. The next prime is 53055857. The reversal of 53055839 is 93855035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53055839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53055833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26527919 + 26527920.

It is an arithmetic number, because the mean of its divisors is an integer number (26527920).

Almost surely, 2^53055839 is an apocalyptic number.

53055839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53055839 is an equidigital number, since it uses as much as digits as its factorization.

53055839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 53055839 is about 7283.9439179609. The cubic root of 53055839 is about 375.7604456249.

The spelling of 53055839 in words is "fifty-three million, fifty-five thousand, eight hundred thirty-nine".