56840480 has 48 divisors (see below), whose sum is σ = 134737344. Its totient is φ = 22659840.

The previous prime is 56840467. The next prime is 56840489. The reversal of 56840480 is 8404865.

It is a self number, because there is not a number n which added to its sum of digits gives 56840480.

It is not an unprimeable number, because it can be changed into a prime (56840489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89765 + ... + 90395.

It is an arithmetic number, because the mean of its divisors is an integer number (2807028).

Almost surely, 2^56840480 is an apocalyptic number.

It is an amenable number.

56840480 is an abundant number, since it is smaller than the sum of its proper divisors (77896864).

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

56840480 is a wasteful number, since it uses less digits than its factorization.

56840480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 56840480 is about 7539.2625634076. The cubic root of 56840480 is about 384.4907643027.

The spelling of 56840480 in words is "fifty-six million, eight hundred forty thousand, four hundred eighty".