80550280 has 16 divisors (see below), whose sum is σ = 181238220. Its totient is φ = 32220096.

The previous prime is 80550277. The next prime is 80550293. The reversal of 80550280 is 8205508.

It can be written as a sum of positive squares in 2 ways, for example, as 72965764 + 7584516 = 8542^2 + 2754^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1006839 + ... + 1006918.

Almost surely, 2^80550280 is an apocalyptic number.

It is an amenable number.

80550280 is an abundant number, since it is smaller than the sum of its proper divisors (100687940).

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

80550280 is a wasteful number, since it uses less digits than its factorization.

80550280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013768 (or 2013764 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 80550280 is about 8974.9807799237. The cubic root of 80550280 is about 431.8726333484.

Adding to 80550280 its reverse (8205508), we get a palindrome (88755788).

The spelling of 80550280 in words is "eighty million, five hundred fifty thousand, two hundred eighty".