56441844 has 18 divisors (see below), whose sum is σ = 142672530. Its totient is φ = 18813936.

The previous prime is 56441821. The next prime is 56441851. The reversal of 56441844 is 44814465.

It is a happy number.

56441844 is a `hidden beast` number, since 5 + 644 + 1 + 8 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 191844 = 7500^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1567829 = 56441844 / (5 + 6 + 4 + 4 + 1 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 56441799 and 56441808.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 783879 + ... + 783950.

Almost surely, 2^56441844 is an apocalyptic number.

It is an amenable number.

56441844 is an abundant number, since it is smaller than the sum of its proper divisors (86230686).

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

56441844 is a wasteful number, since it uses less digits than its factorization.

56441844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567839 (or 1567834 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 56441844 is about 7512.7787136319. The cubic root of 56441844 is about 383.5898126465.

The spelling of 56441844 in words is "fifty-six million, four hundred forty-one thousand, eight hundred forty-four".