80553744 has 80 divisors (see below), whose sum is σ = 232425600. Its totient is φ = 26711424.

The previous prime is 80553691. The next prime is 80553763. The reversal of 80553744 is 44735508.

80553744 is a `hidden beast` number, since 80 + 5 + 537 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80553699 and 80553708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113262 + ... + 113970.

It is an arithmetic number, because the mean of its divisors is an integer number (2905320).

Almost surely, 2^80553744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80553744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116212800).

80553744 is an abundant number, since it is smaller than the sum of its proper divisors (151871856).

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

80553744 is a wasteful number, since it uses less digits than its factorization.

80553744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 80553744 is about 8975.1737587637. The cubic root of 80553744 is about 431.8788240380.

The spelling of 80553744 in words is "eighty million, five hundred fifty-three thousand, seven hundred forty-four".