90554 has 8 divisors (see below), whose sum is σ = 143040. Its totient is φ = 42876.

The previous prime is 90547. The next prime is 90583. The reversal of 90554 is 45509.

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, 1154 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (17880).

2⁹⁰⁵⁵⁴ is an apocalyptic number.

90554 is a deficient number, since it is larger than the sum of its proper divisors (52486).

90554 is a wasteful number, since it uses less digits than its factorization.

90554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 90554 is about 300.9219167824. The cubic root of 90554 is about 44.9058112230.

It can be divided in two parts, 905 and 54, that added together give a palindrome (959).

The spelling of 90554 in words is "ninety thousand, five hundred fifty-four".