/usr/lib/x86_64-linux-gnu/libQt53DQuick.so.5.2 is in libqt53d5 5.0~git20130731-0ubuntu5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libQt53DQuick.so.5.2.0
/usr/lib/x86_64-linux-gnu/libQt53DQuick.so.5.2.0