50 = L
50
It is a very common practice to represent dates (primarily years) and series using roman numerals.
Yes
The NFL Marketing department thought that Super Bowl 50 looked better than Super Bowl L. So they used the numeric number instead of the Roman numeral.
The Super Bowl 50 ended on February 7, 2016.
The Denver Broncos and the Carolina Panthers will be playing in Super Bowl 50.
50/50
50
Super Bowl L - 2016 TV was released on: USA: 7 February 2016
Super Bowl 50 in 2016 ended at 10:21 PM Eastern Time.
Willie Parker, in Super Bowl XL