80553305 has 12 divisors (see below), whose sum is σ = 112446180. Its totient is φ = 55236384.

The previous prime is 80553301. The next prime is 80553307. The reversal of 80553305 is 50335508.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 64577296 = 3997^2 + 8036^2 .

It is not a de Polignac number, because 80553305 - 2² = 80553301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80553301) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 164150 + ... + 164639.

It is an arithmetic number, because the mean of its divisors is an integer number (9370515).

Almost surely, 2^80553305 is an apocalyptic number.

It is an amenable number.

80553305 is a deficient number, since it is larger than the sum of its proper divisors (31892875).

80553305 is a wasteful number, since it uses less digits than its factorization.

80553305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328808 (or 328801 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 80553305 is about 8975.1493023793. The cubic root of 80553305 is about 431.8780394887.

The spelling of 80553305 in words is "eighty million, five hundred fifty-three thousand, three hundred five".