Yes.
Atomic number is the number of protons in an atom. If the atomic number is 54, then there are 54 protons. If it is a neutral atom, it will also have 54 electrons.
No, nor is it a real number. The square root of minus 54 is equal to the square root of plus 45, times i.
You need at least two numbers before you can talk about common factors. 54 is only one number. As such, there is no real answer to your question. The factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.
Yes it's a real element with a atomic number of 54, and pretty darn dense AND of course a odorless tasteless colorless gas , unless you put it in an electrical current.
Yes, 54 is an even number.
54 is, itself, a whole number!
The closets number to the square root of 54 is √54 √54 = 7.348... → The closest WHOLE number to the square root of 54 is 7.
54 + 58 = 112
The atomic number for xenon is 54.
Rounded to the nearest whole number, 54.45 is approximately equal to 54.
Whole numbers are unique, so the only whole number that is 54 is 54 itself.
54