56395777 has 2 divisors, whose sum is σ = 56395778. Its totient is φ = 56395776.

The previous prime is 56395771. The next prime is 56395811. The reversal of 56395777 is 77759365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52359696 + 4036081 = 7236^2 + 2009^2 .

It is a cyclic number.

It is not a de Polignac number, because 56395777 - 2⁷ = 56395649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56395777.

It is not a weakly prime, because it can be changed into another prime (56395771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28197888 + 28197889.

It is an arithmetic number, because the mean of its divisors is an integer number (28197889).

Almost surely, 2^56395777 is an apocalyptic number.

It is an amenable number.

56395777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56395777 is an equidigital number, since it uses as much as digits as its factorization.

56395777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1389150, while the sum is 49.

The square root of 56395777 is about 7509.7121782396. The cubic root of 56395777 is about 383.4854241267.

The spelling of 56395777 in words is "fifty-six million, three hundred ninety-five thousand, seven hundred seventy-seven".