89118553 has 4 divisors (see below), whose sum is σ = 89264548. Its totient is φ = 88972560.

The previous prime is 89118529. The next prime is 89118571. The reversal of 89118553 is 35581198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7252249 + 81866304 = 2693^2 + 9048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89118553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89116553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72078 + ... + 73303.

It is an arithmetic number, because the mean of its divisors is an integer number (22316137).

Almost surely, 2^89118553 is an apocalyptic number.

It is an amenable number.

89118553 is a deficient number, since it is larger than the sum of its proper divisors (145995).

89118553 is a wasteful number, since it uses less digits than its factorization.

89118553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145994.

The product of its digits is 43200, while the sum is 40.

The square root of 89118553 is about 9440.2623374565. The cubic root of 89118553 is about 446.6726646431.

The spelling of 89118553 in words is "eighty-nine million, one hundred eighteen thousand, five hundred fifty-three".