56776801 has 2 divisors, whose sum is σ = 56776802. Its totient is φ = 56776800.

The previous prime is 56776781. The next prime is 56776817. The reversal of 56776801 is 10867765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56776225 + 576 = 7535^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 56776801 - 2¹³ = 56768609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56776871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28388400 + 28388401.

It is an arithmetic number, because the mean of its divisors is an integer number (28388401).

Almost surely, 2^56776801 is an apocalyptic number.

It is an amenable number.

56776801 is a deficient number, since it is larger than the sum of its proper divisors (1).

56776801 is an equidigital number, since it uses as much as digits as its factorization.

56776801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 56776801 is about 7535.0382215354. The cubic root of 56776801 is about 384.3471276063.

The spelling of 56776801 in words is "fifty-six million, seven hundred seventy-six thousand, eight hundred one".