56779577 has 2 divisors, whose sum is σ = 56779578. Its totient is φ = 56779576.

The previous prime is 56779561. The next prime is 56779601. The reversal of 56779577 is 77597765.

56779577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 9114361 = 6904^2 + 3019^2 .

It is a cyclic number.

It is not a de Polignac number, because 56779577 - 2⁴ = 56779561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56769577) 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, 28389788 + 28389789.

It is an arithmetic number, because the mean of its divisors is an integer number (28389789).

Almost surely, 2^56779577 is an apocalyptic number.

It is an amenable number.

56779577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56779577 is an equidigital number, since it uses as much as digits as its factorization.

56779577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3241350, while the sum is 53.

The square root of 56779577 is about 7535.2224253833. Note that the first 3 decimals coincide. The cubic root of 56779577 is about 384.3533914924.

The spelling of 56779577 in words is "fifty-six million, seven hundred seventy-nine thousand, five hundred seventy-seven".