Found with PFGW Version 3.4.8

55^5856-54 is 2-PRP! (4.6806s+0.0041s)
55^5856-54 is 3-PRP! (5.3751s+0.0038s)
55^5856-54 is 5-PRP! (5.9242s+0.0044s)
55^5856-54 is 7-PRP! (6.1967s+0.0051s)
55^5856-54 is 11-PRP! (6.5209s+0.0056s)

Primality testing 55^5856-54 [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 11, base 2+sqrt(11)
Calling N-1 BLS with factored part 0.10% and helper 0.05% (0.35% proof)
55^5856-54 is Fermat and Lucas PRP! (52.9480s+0.0144s)

To be completed...