56866267 has 2 divisors, whose sum is σ = 56866268. Its totient is φ = 56866266.

The previous prime is 56866247. The next prime is 56866273. The reversal of 56866267 is 76266865.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56866267 is a prime.

It is not a weakly prime, because it can be changed into another prime (56866247) 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, 28433133 + 28433134.

It is an arithmetic number, because the mean of its divisors is an integer number (28433134).

Almost surely, 2^56866267 is an apocalyptic number.

56866267 is a deficient number, since it is larger than the sum of its proper divisors (1).

56866267 is an equidigital number, since it uses as much as digits as its factorization.

56866267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 56866267 is about 7540.9725500097. The cubic root of 56866267 is about 384.5488998917.

The spelling of 56866267 in words is "fifty-six million, eight hundred sixty-six thousand, two hundred sixty-seven".