56 (number)

56 was a number.

In 1965, Bessy Tippington had a beauty transformation which reduced her appearance to that of a 30 year old. She was actually 56. (AUDIO: The Vanity Box)

The 56th issue of Aggrotron!, published on 8 April 1988, was the final one. Izzy Sinclair was determined to obtain a copy of it. (AUDIO: Izzy's Story)

In the Shadow World, one member of the Pope's entourage was 56 years old. (TV: Extremis)

Chronon, (WC: 14682 UNIT Field Log, 14683 UNIT Field Log, 14684 UNIT Field Log) or cronon (WC: 14681 UNIT Field Log) and artron energy readings during the recording of UNIT field logs included 17%, (WC: 14682 UNIT Field Log) 18%, 19%, (WC: 14681 UNIT Field Log, 14682 UNIT Field Log) 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, (WC: 14682 UNIT Field Log) 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, (WC: 14682 UNIT Field Log, 14684 UNIT Field Log) 90%, (WC: 14682 UNIT Field Log, 14683 UNIT Field Log) 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%, 101%, 102%, 103%, 104%, 105%, 106%, and, in the case of Chronon energy, 107%. (WC: 14683 UNIT Field Log)

Behind the scenes
While unreadable in the episode itself, the copy of the Western Mail featured in Boom Town gives Margaret Blaine's age as 45 as of September 2006. The reference book The Doctor: His Lives and Times, which contains in-universe, narrative material whilst also having a large focus on out-of-universe material, includes a further Western Mail article which states that Blaine is 56.