89051540 has 24 divisors (see below), whose sum is σ = 187404000. Its totient is φ = 35545248.

The previous prime is 89051539. The next prime is 89051579. The reversal of 89051540 is 4515098.

It is a junction number, because it is equal to n+sod(n) for n = 89051497 and 89051506.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5519 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (7808500).

Almost surely, 2^89051540 is an apocalyptic number.

It is an amenable number.

89051540 is an abundant number, since it is smaller than the sum of its proper divisors (98352460).

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

89051540 is a wasteful number, since it uses less digits than its factorization.

89051540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 89051540 is about 9436.7123512376. The cubic root of 89051540 is about 446.5606775573.

The spelling of 89051540 in words is "eighty-nine million, fifty-one thousand, five hundred forty".