80455550 has 36 divisors (see below), whose sum is σ = 174084840. Its totient is φ = 27583920.

The previous prime is 80455549. The next prime is 80455559. The reversal of 80455550 is 5555408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80455559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13970 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (4835690).

Almost surely, 2^80455550 is an apocalyptic number.

80455550 is an abundant number, since it is smaller than the sum of its proper divisors (93629290).

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

80455550 is a wasteful number, since it uses less digits than its factorization.

80455550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32865 (or 32853 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 80455550 is about 8969.7017787661. The cubic root of 80455550 is about 431.7032677349.

The spelling of 80455550 in words is "eighty million, four hundred fifty-five thousand, five hundred fifty".