80289552 has 80 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 22655616.

The previous prime is 80289533. The next prime is 80289553. The reversal of 80289552 is 25598208.

It is a self number, because there is not a number n which added to its sum of digits gives 80289552.

It is not an unprimeable number, because it can be changed into a prime (80289553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26449 + ... + 29327.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^80289552 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 80289552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

80289552 is an abundant number, since it is smaller than the sum of its proper divisors (159695088).

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

80289552 is a wasteful number, since it uses less digits than its factorization.

80289552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2974 counting only the distinct ones).

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

The square root of 80289552 is about 8960.4437390120. The cubic root of 80289552 is about 431.4061628097.

The spelling of 80289552 in words is "eighty million, two hundred eighty-nine thousand, five hundred fifty-two".