Is this AC enough for endgame?

[Ariakas6]

I am regular magus without multiclass. Playing on hard difficulty.

Base: 10 Ac
Armor: +14 (+5 celestial mithral full plate)
Dex : +5
Shield: +4
Deflection: +5
The curcimstance Ring Bonus: +2
Fly: +3
Combat expertise: +4
Natural ac: +4

Total: 53 , With cleric buffs 56

Do i need more? Am i missing something?

[InEffect]

legendary, haste,

[Mork]

for normal yes

[Immortal Reaver]

Cleric and Inquisitor Magic Vestment - Armor (lvl 3), lasts hour per SC level, should add +4 AC at lvl 16, +5AC on lvl 20.
Wizard/Sorc (lvl7), Alchemist(6lvl) and Druid(lvl7) spell - Legendary Propotion also adds stackable +6 size type of Natural Armor, last minute per SC level.
Haste adds +1AC.