80554656 has 96 divisors (see below), whose sum is σ = 260281728. Its totient is φ = 21242880.

The previous prime is 80554631. The next prime is 80554657. The reversal of 80554656 is 65645508.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80554657) by changing a digit.

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, 4126 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (2711268).

Almost surely, 2^80554656 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 80554656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130140864).

80554656 is an abundant number, since it is smaller than the sum of its proper divisors (179727072).

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

80554656 is a wasteful number, since it uses less digits than its factorization.

80554656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254 (or 9246 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 80554656 is about 8975.2245654357. The cubic root of 80554656 is about 431.8804538899.

The spelling of 80554656 in words is "eighty million, five hundred fifty-four thousand, six hundred fifty-six".