Related Clues:

• A whole number one regent upset
• Companion ticket that's free allowed people to come in
• Result of counting from one to e.g. ten, perhaps? Right
• Gin tree (anag)
• Place for sweetheart in debate offering the full amount
• Remark about exercise involving fifty members of crew
• 2015 for one pop star failing at first to hold note
• Whole unit, say, brought into Bury?
• Number theory number
• The first parts of 17- and 22-Across are always this, the first part of 46-Across is sometimes this, and the first part of 55-Across is never this
• Bury keys inside one, for example?
• Number, say, being buried in Bury
• Number, say, occupying place in ground
• Figure, say, included by artist omitting old man
• Whole number, e.g