89065550 has 48 divisors (see below), whose sum is σ = 200478240. Its totient is φ = 28738560.

The previous prime is 89065523. The next prime is 89065553. The reversal of 89065550 is 5556098.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89065553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1535 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (4176630).

Almost surely, 2^89065550 is an apocalyptic number.

89065550 is an abundant number, since it is smaller than the sum of its proper divisors (111412690).

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

89065550 is a wasteful number, since it uses less digits than its factorization.

89065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005 (or 15000 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 89065550 is about 9437.4546356526. The cubic root of 89065550 is about 446.5840946595.

The spelling of 89065550 in words is "eighty-nine million, sixty-five thousand, five hundred fifty".