56838211 has 2 divisors, whose sum is σ = 56838212. Its totient is φ = 56838210.

The previous prime is 56838203. The next prime is 56838227. The reversal of 56838211 is 11283865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56838211 - 2³ = 56838203 is a prime.

It is not a weakly prime, because it can be changed into another prime (56838281) 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, 28419105 + 28419106.

It is an arithmetic number, because the mean of its divisors is an integer number (28419106).

Almost surely, 2^56838211 is an apocalyptic number.

56838211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56838211 is an equidigital number, since it uses as much as digits as its factorization.

56838211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 56838211 is about 7539.1120829976. The cubic root of 56838211 is about 384.4856481064.

The spelling of 56838211 in words is "fifty-six million, eight hundred thirty-eight thousand, two hundred eleven".