80553444 has 12 divisors (see below), whose sum is σ = 187958064. Its totient is φ = 26851144.

The previous prime is 80553443. The next prime is 80553461. The reversal of 80553444 is 44435508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×80553444² = 12977714680522272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80553443) 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 3 ways as a sum of consecutive naturals, for example, 3356382 + ... + 3356405.

It is an arithmetic number, because the mean of its divisors is an integer number (15663172).

Almost surely, 2^80553444 is an apocalyptic number.

It is an amenable number.

80553444 is an abundant number, since it is smaller than the sum of its proper divisors (107404620).

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

80553444 is a wasteful number, since it uses less digits than its factorization.

80553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712794 (or 6712792 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 80553444 is about 8975.1570459798. The cubic root of 80553444 is about 431.8782878999.

The spelling of 80553444 in words is "eighty million, five hundred fifty-three thousand, four hundred forty-four".