56320777 has 2 divisors, whose sum is σ = 56320778. Its totient is φ = 56320776.

The previous prime is 56320727. The next prime is 56320783. The reversal of 56320777 is 77702365.

56320777 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 can be written as a sum of positive squares in only one way, i.e., 52142841 + 4177936 = 7221^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 56320777 - 2¹¹ = 56318729 is a prime.

It is not a weakly prime, because it can be changed into another prime (56320717) 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, 28160388 + 28160389.

It is an arithmetic number, because the mean of its divisors is an integer number (28160389).

Almost surely, 2^56320777 is an apocalyptic number.

It is an amenable number.

56320777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56320777 is an equidigital number, since it uses as much as digits as its factorization.

56320777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 56320777 is about 7504.7169833379. The cubic root of 56320777 is about 383.3153513094.

The spelling of 56320777 in words is "fifty-six million, three hundred twenty thousand, seven hundred seventy-seven".