89995560 has 128 divisors (see below), whose sum is σ = 280558080. Its totient is φ = 23079168.

The previous prime is 89995531. The next prime is 89995567. The reversal of 89995560 is 6559998.

It is not an unprimeable number, because it can be changed into a prime (89995567) 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 31 ways as a sum of consecutive naturals, for example, 552039 + ... + 552201.

It is an arithmetic number, because the mean of its divisors is an integer number (2191860).

Almost surely, 2^89995560 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 89995560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140279040).

89995560 is an abundant number, since it is smaller than the sum of its proper divisors (190562520).

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

89995560 is a wasteful number, since it uses less digits than its factorization.

89995560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 89995560 is about 9486.5989690721. The cubic root of 89995560 is about 448.1331051134.

The spelling of 89995560 in words is "eighty-nine million, nine hundred ninety-five thousand, five hundred sixty".