56322911 has 2 divisors, whose sum is σ = 56322912. Its totient is φ = 56322910.

The previous prime is 56322881. The next prime is 56322913. The reversal of 56322911 is 11922365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56322911 is a prime.

Together with 56322913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56322913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161455 + 28161456.

It is an arithmetic number, because the mean of its divisors is an integer number (28161456).

Almost surely, 2^56322911 is an apocalyptic number.

56322911 is a deficient number, since it is larger than the sum of its proper divisors (1).

56322911 is an equidigital number, since it uses as much as digits as its factorization.

56322911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 56322911 is about 7504.8591592381. The cubic root of 56322911 is about 383.3201925342.

The spelling of 56322911 in words is "fifty-six million, three hundred twenty-two thousand, nine hundred eleven".