56764811 has 2 divisors, whose sum is σ = 56764812. Its totient is φ = 56764810.

The previous prime is 56764793. The next prime is 56764843. The reversal of 56764811 is 11846765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56764811 - 2¹⁰ = 56763787 is a prime.

It is not a weakly prime, because it can be changed into another prime (56764511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28382405 + 28382406.

It is an arithmetic number, because the mean of its divisors is an integer number (28382406).

Almost surely, 2^56764811 is an apocalyptic number.

56764811 is a deficient number, since it is larger than the sum of its proper divisors (1).

56764811 is an equidigital number, since it uses as much as digits as its factorization.

56764811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 56764811 is about 7534.2425631247. The cubic root of 56764811 is about 384.3200705079.

It can be divided in two parts, 56764 and 811, that added together give a palindrome (57575).

The spelling of 56764811 in words is "fifty-six million, seven hundred sixty-four thousand, eight hundred eleven".