56382017 has 2 divisors, whose sum is σ = 56382018. Its totient is φ = 56382016.

The previous prime is 56381989. The next prime is 56382019. The reversal of 56382017 is 71028365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47761921 + 8620096 = 6911^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 56382017 - 2⁸ = 56381761 is a prime.

Together with 56382019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56382019) 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, 28191008 + 28191009.

It is an arithmetic number, because the mean of its divisors is an integer number (28191009).

Almost surely, 2^56382017 is an apocalyptic number.

It is an amenable number.

56382017 is a deficient number, since it is larger than the sum of its proper divisors (1).

56382017 is an equidigital number, since it uses as much as digits as its factorization.

56382017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 56382017 is about 7508.7959753878. The cubic root of 56382017 is about 383.4542327330.

The spelling of 56382017 in words is "fifty-six million, three hundred eighty-two thousand, seventeen".