From Japanese-German FreeDict Dictionary ver. 0.2.0:
[ichi1] [news1] [nf01] 五 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, ５, 伍 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] [news1] [nf01] ご /ɡˈo̞/, いつ /ˈitsɯᵝ/, い /ˈi/
(numeric)
(伍 is used in legal documents)
fünf, 5, fünf, fünf, der (m) Fünfte