56982480 has 80 divisors (see below), whose sum is σ = 177577920. Its totient is φ = 15115264.

The previous prime is 56982467. The next prime is 56982481. The reversal of 56982480 is 8428965.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56982481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55411 + ... + 56429.

It is an arithmetic number, because the mean of its divisors is an integer number (2219724).

Almost surely, 2^56982480 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 56982480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88788960).

56982480 is an abundant number, since it is smaller than the sum of its proper divisors (120595440).

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

56982480 is a wasteful number, since it uses less digits than its factorization.

56982480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 56982480 is about 7548.6740557531. The cubic root of 56982480 is about 384.8106788299.

The spelling of 56982480 in words is "fifty-six million, nine hundred eighty-two thousand, four hundred eighty".