Which cricketer has broken the fastest Test century record?

In just 54 balls, Brendon McCullum hit the fastest century in Test cricket history. He surpassed the previous mark shared by Misbah-ul-Haq and Viv Richards. In 2016, at Christchurch, New Zealand, against Australia, Brendon McCullum scored this century. Brendon McCullum played in his final test game.