91554 has 8 divisors (see below), whose sum is σ = 183120. Its totient is φ = 30516.

The previous prime is 91541. The next prime is 91571. The reversal of 91554 is 45519.

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

91554 is an admirable number.

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, 7624 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (22890).

2⁹¹⁵⁵⁴ is an apocalyptic number.

91554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91560).

91554 is a wasteful number, since it uses less digits than its factorization.

91554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15264.

The product of its digits is 900, while the sum is 24.

The square root of 91554 is about 302.5789153262. The cubic root of 91554 is about 45.0705067551.

It can be divided in two parts, 915 and 54, that added together give a palindrome (969).

The spelling of 91554 in words is "ninety-one thousand, five hundred fifty-four".