56321648 has 20 divisors (see below), whose sum is σ = 109243008. Its totient is φ = 28129920.

The previous prime is 56321647. The next prime is 56321693. The reversal of 56321648 is 84612365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56321647) 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, 22340 + ... + 24732.

Almost surely, 2^56321648 is an apocalyptic number.

It is an amenable number.

56321648 is a deficient number, since it is larger than the sum of its proper divisors (52921360).

56321648 is a wasteful number, since it uses less digits than its factorization.

56321648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3866 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 56321648 is about 7504.7750132832. The cubic root of 56321648 is about 383.3173272880.

The spelling of 56321648 in words is "fifty-six million, three hundred twenty-one thousand, six hundred forty-eight".