56784288 has 48 divisors (see below), whose sum is σ = 162612576. Its totient is φ = 17207040.

The previous prime is 56784271. The next prime is 56784289. The reversal of 56784288 is 88248765.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (56784289) 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, 25831 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (3387762).

Almost surely, 2^56784288 is an apocalyptic number.

It is an amenable number.

56784288 is an abundant number, since it is smaller than the sum of its proper divisors (105828288).

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

56784288 is a wasteful number, since it uses less digits than its factorization.

56784288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53797 (or 53789 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 56784288 is about 7535.5350175021. The cubic root of 56784288 is about 384.3640211287.

The spelling of 56784288 in words is "fifty-six million, seven hundred eighty-four thousand, two hundred eighty-eight".