56608606091 has 2 divisors, whose sum is σ = 56608606092. Its totient is φ = 56608606090.

The previous prime is 56608606079. The next prime is 56608606111. The reversal of 56608606091 is 19060680665.

56608606091 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 56608606091 - 2⁶ = 56608606027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56608606891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28304303045 + 28304303046.

It is an arithmetic number, because the mean of its divisors is an integer number (28304303046).

Almost surely, 2^56608606091 is an apocalyptic number.

56608606091 is a deficient number, since it is larger than the sum of its proper divisors (1).

56608606091 is an equidigital number, since it uses as much as digits as its factorization.

56608606091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 56608606091 in words is "fifty-six billion, six hundred eight million, six hundred six thousand, ninety-one".