πεντήκοντα
indeclinable
[πέντε.]
Fifty Il. 2.509, 556, 685, 719, Il. 4.393, Il. 5.786, Il. 7.244, Il. 11.678, 748, Il. 16.168, 170, Il. 23.147, Il. 24.495 : Od. 6.103, Od. 12.130, Od. 14.15, Od. 20.49, Od. 22.421, Od. 24.342.
Absol. : παρʼ ἑκάστῳ ἥατο π. Il. 8.563.
With another numeral : ἑκατὸν καὶ π. Il. 11.680 : δύω καὶ π. Od. 8.35, 48, Od. 16.247.