89551289 has 2 divisors, whose sum is σ = 89551290. Its totient is φ = 89551288.

The previous prime is 89551279. The next prime is 89551307. The reversal of 89551289 is 98215598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 16875664 = 8525^2 + 4108^2 .

It is a cyclic number.

It is not a de Polignac number, because 89551289 - 2¹² = 89547193 is a prime.

It is not a weakly prime, because it can be changed into another prime (89551249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44775644 + 44775645.

It is an arithmetic number, because the mean of its divisors is an integer number (44775645).

Almost surely, 2^89551289 is an apocalyptic number.

It is an amenable number.

89551289 is a deficient number, since it is larger than the sum of its proper divisors (1).

89551289 is an equidigital number, since it uses as much as digits as its factorization.

89551289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 47.

The square root of 89551289 is about 9463.1542838527. The cubic root of 89551289 is about 447.3944721674.

The spelling of 89551289 in words is "eighty-nine million, five hundred fifty-one thousand, two hundred eighty-nine".