56644384 has 24 divisors (see below), whose sum is σ = 111708828. Its totient is φ = 28273920.

The previous prime is 56644381. The next prime is 56644387. The reversal of 56644384 is 48344665.

It is an interprime number because it is at equal distance from previous prime (56644381) and next prime (56644387).

It can be written as a sum of positive squares in 2 ways, for example, as 56250000 + 394384 = 7500^2 + 628^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56644381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24394 + ... + 26614.

Almost surely, 2^56644384 is an apocalyptic number.

It is an amenable number.

56644384 is a deficient number, since it is larger than the sum of its proper divisors (55064444).

56644384 is a wasteful number, since it uses less digits than its factorization.

56644384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3020 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 56644384 is about 7526.2463419689. The cubic root of 56644384 is about 384.0480987204.

The spelling of 56644384 in words is "fifty-six million, six hundred forty-four thousand, three hundred eighty-four".