/usr/lib/x86_64-linux-gnu/libtotem_pg.so.5 is in libtotem-pg5 2.3.5-3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtotem_pg.so.5.0.0
/usr/lib/x86_64-linux-gnu/libtotem_pg.so.5.0.0