80553405 has 32 divisors (see below), whose sum is σ = 133816320. Its totient is φ = 41348160.

The previous prime is 80553379. The next prime is 80553413. The reversal of 80553405 is 50435508.

It is not a de Polignac number, because 80553405 - 2⁹ = 80552893 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44916 + ... + 46674.

It is an arithmetic number, because the mean of its divisors is an integer number (4181760).

Almost surely, 2^80553405 is an apocalyptic number.

It is an amenable number.

80553405 is a deficient number, since it is larger than the sum of its proper divisors (53262915).

80553405 is a wasteful number, since it uses less digits than its factorization.

80553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 80553405 is about 8975.1548733156. The cubic root of 80553405 is about 431.8782182018.

The spelling of 80553405 in words is "eighty million, five hundred fifty-three thousand, four hundred five".