RAR files from unknown sources can contain malware. Always scan the file with updated antivirus software or a service like VirusTotal before extracting.
To open a .rar file, you will need a utility like WinRAR or the free, open-source 7-Zip . 56692.rar
While the exact contents can vary depending on the hosting site, files with these numeric names frequently appear in the following contexts: RAR files from unknown sources can contain malware