56782842 has 8 divisors (see below), whose sum is σ = 113565696. Its totient is φ = 18927612.

The previous prime is 56782829. The next prime is 56782853. The reversal of 56782842 is 24828765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

56782842 is an admirable number.

It is a super-2 number, since 2×56782842² = 6448582291193928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56782794 and 56782803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731898 + ... + 4731909.

It is an arithmetic number, because the mean of its divisors is an integer number (14195712).

Almost surely, 2^56782842 is an apocalyptic number.

56782842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56782842 is a wasteful number, since it uses less digits than its factorization.

56782842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463812.

The product of its digits is 215040, while the sum is 42.

The square root of 56782842 is about 7535.4390714808. The cubic root of 56782842 is about 384.3607585179.

The spelling of 56782842 in words is "fifty-six million, seven hundred eighty-two thousand, eight hundred forty-two".