56784012 has 24 divisors (see below), whose sum is σ = 140290416. Its totient is φ = 17814528.

The previous prime is 56783983. The next prime is 56784023. The reversal of 56784012 is 21048765.

It is a super-2 number, since 2×56784012² = 6448848037632288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138973 + ... + 139380.

It is an arithmetic number, because the mean of its divisors is an integer number (5845434).

Almost surely, 2^56784012 is an apocalyptic number.

It is an amenable number.

56784012 is an abundant number, since it is smaller than the sum of its proper divisors (83506404).

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

56784012 is a wasteful number, since it uses less digits than its factorization.

56784012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278377 (or 278375 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56784012 is about 7535.5167042480. The cubic root of 56784012 is about 384.3633983940.

The spelling of 56784012 in words is "fifty-six million, seven hundred eighty-four thousand, twelve".