Found with PFGW Version 3.4.8

54^8107-53 is 2-PRP! (8.5158s+0.0053s)
54^8107-53 is 3-PRP! (9.8233s+0.0011s)
54^8107-53 is 5-PRP! (10.5176s+0.0010s)
54^8107-53 is 7-PRP! (11.8721s+0.0010s)
54^8107-53 is 11-PRP! (12.5372s+0.0010s)

Primality testing 54^8107-53 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N-1 BLS with factored part 0.50% and helper 0.08% (1.58% proof)
54^8107-53 is Fermat and Lucas PRP! (94.5569s+0.0040s)

To be completed...