56858611 has 2 divisors, whose sum is σ = 56858612. Its totient is φ = 56858610.

The previous prime is 56858573. The next prime is 56858663. The reversal of 56858611 is 11685865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56858611 - 2⁹ = 56858099 is a prime.

It is not a weakly prime, because it can be changed into another prime (56858671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28429305 + 28429306.

It is an arithmetic number, because the mean of its divisors is an integer number (28429306).

Almost surely, 2^56858611 is an apocalyptic number.

56858611 is a deficient number, since it is larger than the sum of its proper divisors (1).

56858611 is an equidigital number, since it uses as much as digits as its factorization.

56858611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 40.

The square root of 56858611 is about 7540.4649060917. The cubic root of 56858611 is about 384.5316416314.

The spelling of 56858611 in words is "fifty-six million, eight hundred fifty-eight thousand, six hundred eleven".