80550800 has 60 divisors (see below), whose sum is σ = 211127856. Its totient is φ = 29289600.

The previous prime is 80550787. The next prime is 80550829. The reversal of 80550800 is 805508.

80550800 is nontrivially palindromic in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 80550800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4754 + ... + 13553.

Almost surely, 2^80550800 is an apocalyptic number.

80550800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80550800 is an abundant number, since it is smaller than the sum of its proper divisors (130577056).

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

80550800 is a wasteful number, since it uses less digits than its factorization.

80550800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336 (or 18325 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 80550800 is about 8975.0097492983. The cubic root of 80550800 is about 431.8735626780.

Multiplying 80550800 by its reverse (805508), we get a square (64884313806400 = 8055080²).

80550800 divided by its reverse (805508) gives a square (100 = 10²).

The spelling of 80550800 in words is "eighty million, five hundred fifty thousand, eight hundred".