Seems about right. This post reminded me of the PAX 2016 lego replica of the USS Missouri that I took photographs of (it was at the World of Warships booth)… this was 1:35th scale:
This singer singing to the crowd of sailors is right behind the back guns, bottom quarter left of the first stitch:
Out of curiousity, I checked… 53" is exactly 1:200. 
