How much can you store in a 50TB data space?

You can store between 49.5 to 49.9 TB only.

50,000,000,000,000 bytes, less the space taken up by the file system structures.

You should note that space on a disk is allocated in blocks of a fixed size. For example, a particular file system might use blocks of 16 KiB each (16384 bytes each). If you save a file of 40 kB (40000 bytes), then it will have three blocks (allocation units) assigned to the file, which will provide up to 49152 bytes. In this example, 9152 bytes will be assigned to the file but will be wasted.

Note 1 KiB = 1024 bytes while 1 kB = 1000 bytes.

or

50 TB = 45.475 TiB.

I hope this helps.

50000 GB worth of data

50TB worth of data.