56660599 has 2 divisors, whose sum is σ = 56660600. Its totient is φ = 56660598.

The previous prime is 56660581. The next prime is 56660621. The reversal of 56660599 is 99506665.

It is a happy number.

56660599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56660599 - 2⁵ = 56660567 is a prime.

It is a Chen prime.

It is a congruent number.

It is a weakly prime.

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, 28330299 + 28330300.

It is an arithmetic number, because the mean of its divisors is an integer number (28330300).

Almost surely, 2^56660599 is an apocalyptic number.

56660599 is a deficient number, since it is larger than the sum of its proper divisors (1).

56660599 is an equidigital number, since it uses as much as digits as its factorization.

56660599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 56660599 is about 7527.3234951077. The cubic root of 56660599 is about 384.0847410455.

The spelling of 56660599 in words is "fifty-six million, six hundred sixty thousand, five hundred ninety-nine".