2056559767 has 2 divisors, whose sum is σ = 2056559768. Its totient is φ = 2056559766.

The previous prime is 2056559749. The next prime is 2056559779. The reversal of 2056559767 is 7679556502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056559767 - 2²³ = 2048171159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056554767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028279883 + 1028279884.

It is an arithmetic number, because the mean of its divisors is an integer number (1028279884).

Almost surely, 2^2056559767 is an apocalyptic number.

2056559767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056559767 is an equidigital number, since it uses as much as digits as its factorization.

2056559767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969000, while the sum is 52.

The square root of 2056559767 is about 45349.3083409218. The cubic root of 2056559767 is about 1271.6876249852.

The spelling of 2056559767 in words is "two billion, fifty-six million, five hundred fifty-nine thousand, seven hundred sixty-seven".