49, released on February 4, 2014, is the 49th edition of the Now!

[1] The album features three Billboard Hot 100 number-one hits: "Timber", "Royals", and "Wrecking Ball".

49 debuted at number one on the Billboard 200 albums chart with sales of 98,000 copies in its first week of release.

[2] As of June 2014, 482,000 copies of the compilation had been sold.

This article on a 2010s compilation album is a stub.