5653644 has 12 divisors (see below), whose sum is σ = 13191864. Its totient is φ = 1884544.

The previous prime is 5653643. The next prime is 5653649. The reversal of 5653644 is 4463565.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5653643) 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, 235557 + ... + 235580.

It is an arithmetic number, because the mean of its divisors is an integer number (1099322).

Almost surely, 2^5653644 is an apocalyptic number.

It is an amenable number.

5653644 is an abundant number, since it is smaller than the sum of its proper divisors (7538220).

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

5653644 is a wasteful number, since it uses less digits than its factorization.

5653644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471144 (or 471142 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 5653644 is about 2377.7392624087. The cubic root of 5653644 is about 178.1460317425.

The spelling of 5653644 in words is "five million, six hundred fifty-three thousand, six hundred forty-four".