56321711 has 2 divisors, whose sum is σ = 56321712. Its totient is φ = 56321710.

The previous prime is 56321693. The next prime is 56321723. The reversal of 56321711 is 11712365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56321711 - 2⁶ = 56321647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28160855 + 28160856.

It is an arithmetic number, because the mean of its divisors is an integer number (28160856).

Almost surely, 2^56321711 is an apocalyptic number.

56321711 is a deficient number, since it is larger than the sum of its proper divisors (1).

56321711 is an equidigital number, since it uses as much as digits as its factorization.

56321711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 56321711 is about 7504.7792106097. The cubic root of 56321711 is about 383.3174702110.

The spelling of 56321711 in words is "fifty-six million, three hundred twenty-one thousand, seven hundred eleven".