56646299 has 2 divisors, whose sum is σ = 56646300. Its totient is φ = 56646298.

The previous prime is 56646283. The next prime is 56646301. The reversal of 56646299 is 99264665.

56646299 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 56646299 - 2⁴ = 56646283 is a prime.

Together with 56646301, 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 (56646209) 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, 28323149 + 28323150.

It is an arithmetic number, because the mean of its divisors is an integer number (28323150).

Almost surely, 2^56646299 is an apocalyptic number.

56646299 is a deficient number, since it is larger than the sum of its proper divisors (1).

56646299 is an equidigital number, since it uses as much as digits as its factorization.

56646299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 56646299 is about 7526.3735623473. The cubic root of 56646299 is about 384.0524265623.

The spelling of 56646299 in words is "fifty-six million, six hundred forty-six thousand, two hundred ninety-nine".