/usr/lib/x86_64-linux-gnu/libQt53DRender.so.5 is in libqt53drender5 5.7.1+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libQt53DRender.so.5.7.1
/usr/lib/x86_64-linux-gnu/libQt53DRender.so.5.7.1