Found with PFGW Version 3.4.8

55^7493-54 is 2-PRP! (7.9929s+0.0042s)
55^7493-54 is 3-PRP! (9.1500s+0.0063s)
55^7493-54 is 5-PRP! (9.9985s+0.0059s)
55^7493-54 is 7-PRP! (10.5645s+0.0051s)
55^7493-54 is 11-PRP! (10.8884s+0.0046s)

Primality testing 55^7493-54 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 13
Running N-1 test using base 29
Running N-1 test using base 31
Running N-1 test using base 37
Running N+1 test using discriminant 43, base 2+sqrt(43)
Calling N-1 BLS with factored part 0.21% and helper 0.00% (0.62% proof)
55^7493-54 is Fermat and Lucas PRP! (116.7685s+0.0139s)

To be completed...