| Next prime | 59 |
| Previous prime | 47 |
| Octal | (65)8 |
| Hexadecimal | (35)16 |
| Prime gap | 6 |
| 11th Sexy prime (the small number) | The big number is 59 . |
| 7th Prime of the Form 4n+1 | 22 + 72 |
| 4th Euler prime number | |
| 8th Sophie Germain prime | |
| 11th Left-truncatable prime | |
| 9th Right-truncatable prime | |
| 7th Two-sided prime |