56044631 has 16 divisors (see below), whose sum is σ = 61274880. Its totient is φ = 51058560.

The previous prime is 56044627. The next prime is 56044643. The reversal of 56044631 is 13644065.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56044631 - 2² = 56044627 is a prime.

It is a super-2 number, since 2×56044631² = 6282001327852322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56044594 and 56044603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56044601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70820 + ... + 71606.

It is an arithmetic number, because the mean of its divisors is an integer number (3829680).

Almost surely, 2^56044631 is an apocalyptic number.

56044631 is a deficient number, since it is larger than the sum of its proper divisors (5230249).

56044631 is a wasteful number, since it uses less digits than its factorization.

56044631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 56044631 is about 7486.2962137495. The cubic root of 56044631 is about 382.6878476980.

Adding to 56044631 its reverse (13644065), we get a palindrome (69688696).

The spelling of 56044631 in words is "fifty-six million, forty-four thousand, six hundred thirty-one".