89544816 has 60 divisors (see below), whose sum is σ = 252864768. Its totient is φ = 29578752.

The previous prime is 89544809. The next prime is 89544821. The reversal of 89544816 is 61844598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13521 + ... + 19023.

Almost surely, 2^89544816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89544816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126432384).

89544816 is an abundant number, since it is smaller than the sum of its proper divisors (163319952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89544816 is a wasteful number, since it uses less digits than its factorization.

89544816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5621 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 89544816 is about 9462.8122669743. The cubic root of 89544816 is about 447.3836922958.

The spelling of 89544816 in words is "eighty-nine million, five hundred forty-four thousand, eight hundred sixteen".