56782368 has 36 divisors (see below), whose sum is σ = 161475678. Its totient is φ = 18927360.

The previous prime is 56782361. The next prime is 56782373. The reversal of 56782368 is 86328765.

56782368 is a `hidden beast` number, since 567 + 8 + 23 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 27751824 = 5388^2 + 5268^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (56782361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98293 + ... + 98868.

Almost surely, 2^56782368 is an apocalyptic number.

It is an amenable number.

56782368 is an abundant number, since it is smaller than the sum of its proper divisors (104693310).

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

56782368 is a wasteful number, since it uses less digits than its factorization.

56782368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197177 (or 197166 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56782368 is about 7535.4076200296. The cubic root of 56782368 is about 384.3596890193.

The spelling of 56782368 in words is "fifty-six million, seven hundred eighty-two thousand, three hundred sixty-eight".