56440211 has 2 divisors, whose sum is σ = 56440212. Its totient is φ = 56440210.

The previous prime is 56440199. The next prime is 56440247. The reversal of 56440211 is 11204465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56440211 - 2¹⁴ = 56423827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56440261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220105 + 28220106.

It is an arithmetic number, because the mean of its divisors is an integer number (28220106).

Almost surely, 2^56440211 is an apocalyptic number.

56440211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440211 is an equidigital number, since it uses as much as digits as its factorization.

56440211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 56440211 is about 7512.6700313537. The cubic root of 56440211 is about 383.5861132150.

Adding to 56440211 its reverse (11204465), we get a palindrome (67644676).

The spelling of 56440211 in words is "fifty-six million, four hundred forty thousand, two hundred eleven".