56837844 has 72 divisors (see below), whose sum is σ = 167585600. Its totient is φ = 16235856.

The previous prime is 56837839. The next prime is 56837857. The reversal of 56837844 is 44873865.

56837844 is a `hidden beast` number, since 568 + 3 + 7 + 84 + 4 = 666.

56837844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56837844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10047 + ... + 14649.

Almost surely, 2^56837844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56837844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83792800).

56837844 is an abundant number, since it is smaller than the sum of its proper divisors (110747756).

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

56837844 is a wasteful number, since it uses less digits than its factorization.

56837844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634 (or 4615 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 56837844 is about 7539.0877432220. The cubic root of 56837844 is about 384.4848205732.

The spelling of 56837844 in words is "fifty-six million, eight hundred thirty-seven thousand, eight hundred forty-four".