56396777 has 2 divisors, whose sum is σ = 56396778. Its totient is φ = 56396776.

The previous prime is 56396737. The next prime is 56396797. The reversal of 56396777 is 77769365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 9665881 = 6836^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 56396777 - 2¹⁰ = 56395753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56396707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28198388 + 28198389.

It is an arithmetic number, because the mean of its divisors is an integer number (28198389).

Almost surely, 2^56396777 is an apocalyptic number.

It is an amenable number.

56396777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56396777 is an equidigital number, since it uses as much as digits as its factorization.

56396777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666980, while the sum is 50.

The square root of 56396777 is about 7509.7787583923. The cubic root of 56396777 is about 383.4876907454.

The spelling of 56396777 in words is "fifty-six million, three hundred ninety-six thousand, seven hundred seventy-seven".