56249239 has 2 divisors, whose sum is σ = 56249240. Its totient is φ = 56249238.

The previous prime is 56249153. The next prime is 56249257. The reversal of 56249239 is 93294265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56249239 - 2¹³ = 56241047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56249279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28124619 + 28124620.

It is an arithmetic number, because the mean of its divisors is an integer number (28124620).

Almost surely, 2^56249239 is an apocalyptic number.

56249239 is a deficient number, since it is larger than the sum of its proper divisors (1).

56249239 is an equidigital number, since it uses as much as digits as its factorization.

56249239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 56249239 is about 7499.9492664951. The cubic root of 56249239 is about 383.1529883031.

The spelling of 56249239 in words is "fifty-six million, two hundred forty-nine thousand, two hundred thirty-nine".