57531 Full Form. Full Meaning of 57531 Find long form and abbreviation, slang or definition of 57531. What does 57531 mean? What does 57531 stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.