If you have been looking for the square root of 55, then you have arrived at the indicated site. The square root of 55 is the number that multiplied by itself, results in 55. 55 - √ = ± 7.41619848709566 55 = ± 7.41619848709566 That said, the root is the inverse operation of ^ 2. 55 - √2 × 55 - √2 = 55 - √22 = 55 552 × 552 = 5522 = 55 The term can be written as 55 - √o55 - √2 55o552 Like any positive number, the number 55 has two square roots: 55 - √2552, which is positive and called the principal square root, and -55 - √2552, which is negative. Together these two roots are denoted as ± 55 - √2552. Although the main square root of a positive number is only one of its two square roots, the design of the "square root" is often used to refer to the main square root.