If you are looking for this specific file to complete a set, you might check community-driven databases like Romhacking.net or specialized archival forums, though many of these older RapidShare-era links are now permanently lost to time.
: Indicates this is the 57th segment of that larger archive. .rar : A compressed folder format. The "Full Story" (A Digital Tragedy) 500.part057.rar
Specific part numbers like often trend in search queries because they represent a common "break point" in old archival sets found on sites like the Internet Archive or old Reddit threads. When a specific part goes missing from a popular old upload, hundreds of people end up searching for that exact filename hoping someone mirrored it. If you are looking for this specific file
: Usually refers to the total number of files in the set or a specific collection ID (e.g., "Top 500 SNES Games"). The "Full Story" (A Digital Tragedy) Specific part