89280552 has 16 divisors (see below), whose sum is σ = 223201440. Its totient is φ = 29760176.

The previous prime is 89280551. The next prime is 89280623. The reversal of 89280552 is 25508298.

It is a self number, because there is not a number n which added to its sum of digits gives 89280552.

It is not an unprimeable number, because it can be changed into a prime (89280551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859988 + ... + 1860035.

It is an arithmetic number, because the mean of its divisors is an integer number (13950090).

Almost surely, 2^89280552 is an apocalyptic number.

It is an amenable number.

89280552 is an abundant number, since it is smaller than the sum of its proper divisors (133920888).

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

89280552 is a wasteful number, since it uses less digits than its factorization.

89280552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720032 (or 3720028 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 89280552 is about 9448.8386587982. The cubic root of 89280552 is about 446.9431534894.

The spelling of 89280552 in words is "eighty-nine million, two hundred eighty thousand, five hundred fifty-two".