89520560 has 40 divisors (see below), whose sum is σ = 214855296. Its totient is φ = 34652160.

The previous prime is 89520559. The next prime is 89520581. The reversal of 89520560 is 6502598.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 89520560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15569 + ... + 20528.

Almost surely, 2^89520560 is an apocalyptic number.

89520560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89520560 is an abundant number, since it is smaller than the sum of its proper divisors (125334736).

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

89520560 is a wasteful number, since it uses less digits than its factorization.

89520560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36141 (or 36135 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 89520560 is about 9461.5305315789. The cubic root of 89520560 is about 447.3432927159.

The spelling of 89520560 in words is "eighty-nine million, five hundred twenty thousand, five hundred sixty".