56180239 has 2 divisors, whose sum is σ = 56180240. Its totient is φ = 56180238.

The previous prime is 56180129. The next prime is 56180251. The reversal of 56180239 is 93208165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56180239 - 2¹⁵ = 56147471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56181239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28090119 + 28090120.

It is an arithmetic number, because the mean of its divisors is an integer number (28090120).

Almost surely, 2^56180239 is an apocalyptic number.

56180239 is a deficient number, since it is larger than the sum of its proper divisors (1).

56180239 is an equidigital number, since it uses as much as digits as its factorization.

56180239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56180239 is about 7495.3478238171. The cubic root of 56180239 is about 382.9962550791.

The spelling of 56180239 in words is "fifty-six million, one hundred eighty thousand, two hundred thirty-nine".