Alternatively, 01-58-54 could be a duration marker, though the runtime is given separately at the end. More likely, this is the appended by a download manager.
In the piracy scene, a file marked JAVHD often indicates: WAAA-176-MOSAIC-JAVHD-TODAY-0508202301-58-54 Min
Select a video editing tool that you're comfortable with and has the features you need. Popular options include Adobe Premiere Pro, Final Cut Pro, and DaVinci Resolve. Alternatively, 01-58-54 could be a duration marker, though