ötven

Ötven is the Hungarian cardinal number for the value 50. It is used in counting, to express age (ötven év), prices, quantities, and in phrases such as ötven százalék (fifty percent). The corresponding ordinal is ötvenedik, used for example to indicate the fiftieth item or anniversary. The number is written as 50 in Arabic numerals and L in Roman numerals.

Linguistic and historical notes: in Hungarian, tens are expressed with distinct forms, and ötven is the established term for fifty. Its exact historical development is discussed in studies of Hungarian numerals, but ötven is the standard contemporary form.

Mathematical properties: 50 is an even composite number with prime factorization 2 × 5². It is a multiple of both 5 and 10, and it equals half of 100. In base-10 arithmetic, the sum of its digits is 5, and 50 is divisible by 5 (50 ÷ 5 = 10). In common usage, fifty often marks milestones or midpoints, such as in the fiftieth anniversary (ötvenedik évforduló).