57 stays as 57 because digits unaffected.
Original: G H p V h S s i B a e n B x 5 7 t X Z n h o D P P P f J
Skip – ROT13 doesn’t yield readable words here. Take each reversed word from section 2.2 and apply Atbash: GHpVhSsiB aenBx 57 tXZnh oDPPPfJ
G(7) → T(20) H(8) → S(19) p(16) → k(11) V(22) → E(5) h(8) → s(19) S(19) → H(8) s(19) → h(8) i(9) → r(18) B(2) → Y(25)
So reversed words: BisshVpHG xBnea 75 hnZXt JfPPPDo 57 stays as 57 because digits unaffected
Better to Atbash entire string (ignore spaces, keep case):
This string – "GHpVhSsiB aenBx 57 tXZnh oDPPPfJ" – looks like a cipher or encoded text. So GHpVhSsiB → TUcIuFfvO – not English, but
So GHpVhSsiB → TUcIuFfvO – not English, but looks like possible anagram.