50000000

50,000,000 (fifty million) is a natural number. In decimal form it is written as 50,000,000, with seven trailing zeros, and in scientific notation it is 5 × 10^7. It is the midpoint of the integers from 0 to 100,000,000 and is often used as a clear example of a round decimal quantity.

Mathematically, 50,000,000 is even and composite. Its prime factorization is 2^7 × 5^8, which makes it divisible by many powers of 2 and 5. The number has 72 positive divisors. It lies between 2^25 (33,554,432) and 2^26 (67,108,864), illustrating its position relative to powers of two.

In notation and usage, 50,000,000 is written as 5 × 10^7 and commonly appears in contexts involving large counts, estimates, or capacities. It serves as a convenient, round benchmark in fields such as statistics, data analysis, demographics, and budgeting where million-scale figures are commonplace.

Etymology and naming: the term “million” comes from Italian milione, from mille meaning “thousand,” with a suffix forming the larger quantity. The word “fifty” derives from Old English, combining with “million” to form the standard English name fifty million.