hey there 
i have like 5 to 8 small white little and tiny bumps on the shaft of pennis. I have had sex with few women who are healthy and checked as they are my friends. Its not prominent or big. Its small as in very small and its not prominent. It neither itches or has caused any irritations to me wat so ever. I am a little concerned to know what this is as its not fading away. Please do help me and let me know what i should do.