89555228 has 24 divisors (see below), whose sum is σ = 179340000. Its totient is φ = 38331648.

The previous prime is 89555203. The next prime is 89555233. The reversal of 89555228 is 82255598.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27848 + ... + 30896.

It is an arithmetic number, because the mean of its divisors is an integer number (7472500).

Almost surely, 2^89555228 is an apocalyptic number.

It is an amenable number.

89555228 is an abundant number, since it is smaller than the sum of its proper divisors (89784772).

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

89555228 is a wasteful number, since it uses less digits than its factorization.

89555228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4107 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 89555228 is about 9463.3624045579. The cubic root of 89555228 is about 447.4010317640.

The spelling of 89555228 in words is "eighty-nine million, five hundred fifty-five thousand, two hundred twenty-eight".