56044813 has 32 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 45302400.

The previous prime is 56044777. The next prime is 56044817. The reversal of 56044813 is 31844065.

It is a happy number.

It is not a de Polignac number, because 56044813 - 2⁹ = 56044301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56044817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427758 + ... + 427888.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^56044813 is an apocalyptic number.

It is an amenable number.

56044813 is a deficient number, since it is larger than the sum of its proper divisors (12383987).

56044813 is a wasteful number, since it uses less digits than its factorization.

56044813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 56044813 is about 7486.3083692832. The cubic root of 56044813 is about 382.6882619460.

Adding to 56044813 its reverse (31844065), we get a palindrome (87888878).

The spelling of 56044813 in words is "fifty-six million, forty-four thousand, eight hundred thirteen".