56011211 has 2 divisors, whose sum is σ = 56011212. Its totient is φ = 56011210.

The previous prime is 56011199. The next prime is 56011213. The reversal of 56011211 is 11211065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56011211 - 2¹⁰ = 56010187 is a prime.

Together with 56011213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56011211.

It is not a weakly prime, because it can be changed into another prime (56011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005605 + 28005606.

It is an arithmetic number, because the mean of its divisors is an integer number (28005606).

Almost surely, 2^56011211 is an apocalyptic number.

56011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56011211 is an equidigital number, since it uses as much as digits as its factorization.

56011211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 56011211 is about 7484.0638025073. The cubic root of 56011211 is about 382.6117656503.

Adding to 56011211 its reverse (11211065), we get a palindrome (67222276).

The spelling of 56011211 in words is "fifty-six million, eleven thousand, two hundred eleven".