56730017 has 2 divisors, whose sum is σ = 56730018. Its totient is φ = 56730016.

The previous prime is 56730013. The next prime is 56730041. The reversal of 56730017 is 71003765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33651601 + 23078416 = 5801^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 56730017 - 2² = 56730013 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56730013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28365008 + 28365009.

It is an arithmetic number, because the mean of its divisors is an integer number (28365009).

Almost surely, 2^56730017 is an apocalyptic number.

It is an amenable number.

56730017 is a deficient number, since it is larger than the sum of its proper divisors (1).

56730017 is an equidigital number, since it uses as much as digits as its factorization.

56730017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 56730017 is about 7531.9331515886. The cubic root of 56730017 is about 384.2415314426.

The spelling of 56730017 in words is "fifty-six million, seven hundred thirty thousand, seventeen".