91450058 has 16 divisors (see below), whose sum is σ = 156911040. Its totient is φ = 39158016.

The previous prime is 91450043. The next prime is 91450061. The reversal of 91450058 is 85005419.

It is a super-2 number, since 2×91450058² = 16726226216406728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19178 + ... + 23466.

It is an arithmetic number, because the mean of its divisors is an integer number (9806940).

Almost surely, 2^91450058 is an apocalyptic number.

91450058 is a deficient number, since it is larger than the sum of its proper divisors (65460982).

91450058 is a wasteful number, since it uses less digits than its factorization.

91450058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 91450058 is about 9562.9523683850. The cubic root of 91450058 is about 450.5344399213.

The spelling of 91450058 in words is "ninety-one million, four hundred fifty thousand, fifty-eight".