56384644 has 6 divisors (see below), whose sum is σ = 98673134. Its totient is φ = 28192320.

The previous prime is 56384623. The next prime is 56384651. The reversal of 56384644 is 44648365.

It can be written as a sum of positive squares in only one way, i.e., 47444544 + 8940100 = 6888^2 + 2990^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56384597 and 56384606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7048077 + ... + 7048084.

Almost surely, 2^56384644 is an apocalyptic number.

It is an amenable number.

56384644 is a deficient number, since it is larger than the sum of its proper divisors (42288490).

56384644 is a wasteful number, since it uses less digits than its factorization.

56384644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14096165 (or 14096163 counting only the distinct ones).

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

The square root of 56384644 is about 7508.9709015284. The cubic root of 56384644 is about 383.4601880516.

The spelling of 56384644 in words is "fifty-six million, three hundred eighty-four thousand, six hundred forty-four".