56717611 has 2 divisors, whose sum is σ = 56717612. Its totient is φ = 56717610.

The previous prime is 56717567. The next prime is 56717651. The reversal of 56717611 is 11671765.

56717611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56717611 - 2⁹ = 56717099 is a prime.

It is not a weakly prime, because it can be changed into another prime (56717651) by changing a digit.

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, 28358805 + 28358806.

It is an arithmetic number, because the mean of its divisors is an integer number (28358806).

Almost surely, 2^56717611 is an apocalyptic number.

56717611 is a deficient number, since it is larger than the sum of its proper divisors (1).

56717611 is an equidigital number, since it uses as much as digits as its factorization.

56717611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 34.

The square root of 56717611 is about 7531.1095464082. The cubic root of 56717611 is about 384.2135201226.

The spelling of 56717611 in words is "fifty-six million, seven hundred seventeen thousand, six hundred eleven".