80571056 has 20 divisors (see below), whose sum is σ = 157542000. Its totient is φ = 39915072.

The previous prime is 80571037. The next prime is 80571059. The reversal of 80571056 is 65017508.

It is not an unprimeable number, because it can be changed into a prime (80571059) 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, 21356 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (7877100).

Almost surely, 2^80571056 is an apocalyptic number.

It is an amenable number.

80571056 is a deficient number, since it is larger than the sum of its proper divisors (76970944).

80571056 is a wasteful number, since it uses less digits than its factorization.

80571056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46316 (or 46310 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 80571056 is about 8976.1381451045. The cubic root of 80571056 is about 431.9097605295.

The spelling of 80571056 in words is "eighty million, five hundred seventy-one thousand, fifty-six".