58985991 has 12 divisors (see below), whose sum is σ = 86081632. Its totient is φ = 38918016.

The previous prime is 58985989. The next prime is 58986001. The reversal of 58985991 is 19958985.

58985991 is a `hidden beast` number, since 589 + 8 + 59 + 9 + 1 = 666.

It is not a de Polignac number, because 58985991 - 2¹ = 58985989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58985491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32911 + ... + 34656.

Almost surely, 2^58985991 is an apocalyptic number.

58985991 is a deficient number, since it is larger than the sum of its proper divisors (27095641).

58985991 is a wasteful number, since it uses less digits than its factorization.

58985991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67670 (or 67667 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 54.

The square root of 58985991 is about 7680.2337855042. The cubic root of 58985991 is about 389.2688272914.

It can be divided in two parts, 58 and 985991, that added together give a square (986049 = 993²).

The spelling of 58985991 in words is "fifty-eight million, nine hundred eighty-five thousand, nine hundred ninety-one".