91058 has 8 divisors (see below), whose sum is σ = 149040. Its totient is φ = 41380.

The previous prime is 91033. The next prime is 91079. The reversal of 91058 is 85019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (18630).

2⁹¹⁰⁵⁸ is an apocalyptic number.

91058 is a deficient number, since it is larger than the sum of its proper divisors (57982).

91058 is a wasteful number, since it uses less digits than its factorization.

91058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 91058 is about 301.7581813307. The cubic root of 91058 is about 44.9889684893.

The spelling of 91058 in words is "ninety-one thousand, fifty-eight".