56066039 has 2 divisors, whose sum is σ = 56066040. Its totient is φ = 56066038.

The previous prime is 56066029. The next prime is 56066047. The reversal of 56066039 is 93066065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56066039 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 (56066029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28033019 + 28033020.

It is an arithmetic number, because the mean of its divisors is an integer number (28033020).

Almost surely, 2^56066039 is an apocalyptic number.

56066039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56066039 is an equidigital number, since it uses as much as digits as its factorization.

56066039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 56066039 is about 7487.7258897478. The cubic root of 56066039 is about 382.7365680267.

The spelling of 56066039 in words is "fifty-six million, sixty-six thousand, thirty-nine".