91059 has 8 divisors (see below), whose sum is σ = 122880. Its totient is φ = 59976.

The previous prime is 91033. The next prime is 91079. The reversal of 91059 is 95019.

It is a happy number.

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

It is not a de Polignac number, because 91059 - 2⁷ = 90931 is a prime.

91059 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91059.

It is not an unprimeable number, because it can be changed into a prime (91009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (15360).

2⁹¹⁰⁵⁹ is an apocalyptic number.

91059 is a deficient number, since it is larger than the sum of its proper divisors (31821).

91059 is a wasteful number, since it uses less digits than its factorization.

91059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 91059 is about 301.7598382820. The cubic root of 91059 is about 44.9891331785.

It can be divided in two parts, 910 and 59, that added together give a palindrome (969).

The spelling of 91059 in words is "ninety-one thousand, fifty-nine".