56848091569 has 2 divisors, whose sum is σ = 56848091570. Its totient is φ = 56848091568.

The previous prime is 56848091567. The next prime is 56848091623. The reversal of 56848091569 is 96519084865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30802005025 + 26046086544 = 175505^2 + 161388^2 .

It is a cyclic number.

It is not a de Polignac number, because 56848091569 - 2¹ = 56848091567 is a prime.

It is a super-2 number, since 2×56848091569² (a number of 22 digits) contains 22 as substring.

Together with 56848091567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56848091567) 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, 28424045784 + 28424045785.

It is an arithmetic number, because the mean of its divisors is an integer number (28424045785).

Almost surely, 2^56848091569 is an apocalyptic number.

It is an amenable number.

56848091569 is a deficient number, since it is larger than the sum of its proper divisors (1).

56848091569 is an equidigital number, since it uses as much as digits as its factorization.

56848091569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 61.

The spelling of 56848091569 in words is "fifty-six billion, eight hundred forty-eight million, ninety-one thousand, five hundred sixty-nine".