56011271 has 2 divisors, whose sum is σ = 56011272. Its totient is φ = 56011270.

The previous prime is 56011223. The next prime is 56011283. The reversal of 56011271 is 17211065.

56011271 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 a de Polignac number, because none of the positive numbers 2^k-56011271 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56011211) 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, 28005635 + 28005636.

It is an arithmetic number, because the mean of its divisors is an integer number (28005636).

Almost surely, 2^56011271 is an apocalyptic number.

56011271 is a deficient number, since it is larger than the sum of its proper divisors (1).

56011271 is an equidigital number, since it uses as much as digits as its factorization.

56011271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 56011271 is about 7484.0678110236. The cubic root of 56011271 is about 382.6119022700.

The spelling of 56011271 in words is "fifty-six million, eleven thousand, two hundred seventy-one".