Fifty eight

The fifty-eight (58) is the natural number that follows fifty-seven and precedes fifty-nine.

Mathematical properties

• It is a composite number, which has the following factors: 1, 2 and 29. As the sum of its factors is 32 ≤ 58, it is a defective number.
• It is the sum of the first seven prime numbers: 58 = 2 + 3 + 5 + 7 + 11 + 13 + 17.

Science

• 58 is the atomic number of the cerio.
• Astronomical object of the Messier M58 catalogue is a spiral galaxy of the Virgo constellation.