The number 56 is an integer, meaning it is a whole number greater than zero and not expressed as a fraction. It has many uses in mathematics and other fields.

In math, 56 can be used to represent the sum of two numbers or the product of two numbers. It can also be used to indicate fractions, such as 1/56 or 28/56.

In science and technology, 56 often appears in measurements for speed—the speed limit on some highways is 55 mph (miles per hour), while some high-speed trains may travel at speeds up to 250 kmph (kilometers per hour).

Additionally, it’s commonly found in temperature readings; for example water freezes at 0° Celsius but boils at 100° Celsius.

In everyday life too we come across this number quite frequently: The average human heart rate during exercise ranges from about 50-90 beats per minute; most people have around 70 bpm when exercising moderately hard whereas elite athletes are able to reach rates close to 180 bpm!

Similarly the atomic weight of iron — one of the most abundant elements on Earth —is approximately 55 g/mol (grams per mole). So you see that even though it’s just one simple digit – its applications are far reaching!