56784312 has 192 divisors, whose sum is σ = 181708800. Its totient is φ = 15863040.

The previous prime is 56784289. The next prime is 56784323. The reversal of 56784312 is 21348765.

56784312 is a `hidden beast` number, since 567 + 84 + 3 + 12 = 666.

It is a super-4 number, since 4×56784312⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551253 + ... + 551355.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^56784312 is an apocalyptic number.

56784312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56784312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90854400).

56784312 is an abundant number, since it is smaller than the sum of its proper divisors (124924488).

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

56784312 is a wasteful number, since it uses less digits than its factorization.

56784312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 171 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 56784312 is about 7535.5366099569. The cubic root of 56784312 is about 384.3640752794.

The spelling of 56784312 in words is "fifty-six million, seven hundred eighty-four thousand, three hundred twelve".