48 (forty-eight) is the natural number following 47 and preceding 49.
48 is a highly composite number, and a Størmer number.
[1] By a classical result of Honsberger, the number of incongruent integer-sided triangles of perimeter
[2] 48 is the order of full octahedral symmetry, which describes three-dimensional mirror symmetries associated with the regular octahedron and cube.
The number of symmetries of a cube.