89328553 has 2 divisors, whose sum is σ = 89328554. Its totient is φ = 89328552.

The previous prime is 89328493. The next prime is 89328563. The reversal of 89328553 is 35582398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 24235929 = 8068^2 + 4923^2 .

It is a cyclic number.

It is not a de Polignac number, because 89328553 - 2¹⁷ = 89197481 is a prime.

It is not a weakly prime, because it can be changed into another prime (89328563) 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 as a sum of consecutive naturals, namely, 44664276 + 44664277.

It is an arithmetic number, because the mean of its divisors is an integer number (44664277).

Almost surely, 2^89328553 is an apocalyptic number.

It is an amenable number.

89328553 is a deficient number, since it is larger than the sum of its proper divisors (1).

89328553 is an equidigital number, since it uses as much as digits as its factorization.

89328553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 89328553 is about 9451.3783650852. The cubic root of 89328553 is about 447.0232376517.

The spelling of 89328553 in words is "eighty-nine million, three hundred twenty-eight thousand, five hundred fifty-three".