56683644 has 48 divisors (see below), whose sum is σ = 141120000. Its totient is φ = 17646336.

The previous prime is 56683639. The next prime is 56683651. The reversal of 56683644 is 44638665.

56683644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (414720) is a multiple of the sum of its prime divisors (2160).

56683644 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 56683596 and 56683605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27357 + ... + 29355.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^56683644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56683644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70560000).

56683644 is an abundant number, since it is smaller than the sum of its proper divisors (84436356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56683644 is a wasteful number, since it uses less digits than its factorization.

56683644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2160 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 56683644 is about 7528.8540960760. The cubic root of 56683644 is about 384.1368056389.

The spelling of 56683644 in words is "fifty-six million, six hundred eighty-three thousand, six hundred forty-four".