89448551 has 4 divisors (see below), whose sum is σ = 90783672. Its totient is φ = 88113432.

The previous prime is 89448521. The next prime is 89448553. The reversal of 89448551 is 15584498.

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

It is a cyclic number.

It is not a de Polignac number, because 89448551 - 2⁶ = 89448487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89448553) 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 3 ways as a sum of consecutive naturals, for example, 667460 + ... + 667593.

It is an arithmetic number, because the mean of its divisors is an integer number (22695918).

Almost surely, 2^89448551 is an apocalyptic number.

89448551 is a deficient number, since it is larger than the sum of its proper divisors (1335121).

89448551 is a wasteful number, since it uses less digits than its factorization.

89448551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335120.

The product of its digits is 230400, while the sum is 44.

The square root of 89448551 is about 9457.7244091800. The cubic root of 89448551 is about 447.2233151221.

The spelling of 89448551 in words is "eighty-nine million, four hundred forty-eight thousand, five hundred fifty-one".