89055409 has 8 divisors (see below), whose sum is σ = 90334440. Its totient is φ = 87783936.

The previous prime is 89055397. The next prime is 89055419. The reversal of 89055409 is 90455098.

It can be written as a sum of positive squares in 4 ways, for example, as 12054784 + 77000625 = 3472^2 + 8775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 89055409 - 2⁹ = 89054897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89055419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24387 + ... + 27799.

It is an arithmetic number, because the mean of its divisors is an integer number (11291805).

Almost surely, 2^89055409 is an apocalyptic number.

It is an amenable number.

89055409 is a deficient number, since it is larger than the sum of its proper divisors (1279031).

89055409 is a wasteful number, since it uses less digits than its factorization.

89055409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 89055409 is about 9436.9173462524. The cubic root of 89055409 is about 446.5671446670.

The spelling of 89055409 in words is "eighty-nine million, fifty-five thousand, four hundred nine".