80137056 has 24 divisors (see below), whose sum is σ = 210360024. Its totient is φ = 26712320.

The previous prime is 80137051. The next prime is 80137067. The reversal of 80137056 is 65073108.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80137051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417285 + ... + 417476.

It is an arithmetic number, because the mean of its divisors is an integer number (8765001).

Almost surely, 2^80137056 is an apocalyptic number.

It is an amenable number.

80137056 is an abundant number, since it is smaller than the sum of its proper divisors (130222968).

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

80137056 is a wasteful number, since it uses less digits than its factorization.

80137056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834774 (or 834766 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 80137056 is about 8951.9302946348. The cubic root of 80137056 is about 431.1328627878.

The spelling of 80137056 in words is "eighty million, one hundred thirty-seven thousand, fifty-six".