58110991 has 4 divisors (see below), whose sum is σ = 58495984. Its totient is φ = 57726000.

The previous prime is 58110989. The next prime is 58111007. The reversal of 58110991 is 19901185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58110991 - 2¹ = 58110989 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 (58110961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192270 + ... + 192571.

It is an arithmetic number, because the mean of its divisors is an integer number (14623996).

Almost surely, 2^58110991 is an apocalyptic number.

58110991 is a deficient number, since it is larger than the sum of its proper divisors (384993).

58110991 is a wasteful number, since it uses less digits than its factorization.

58110991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384992.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 58110991 is about 7623.0565392105. The cubic root of 58110991 is about 387.3344219401.

The spelling of 58110991 in words is "fifty-eight million, one hundred ten thousand, nine hundred ninety-one".