6544032 has 48 divisors (see below), whose sum is σ = 18742752. Its totient is φ = 1982720.

The previous prime is 6544009. The next prime is 6544039. The reversal of 6544032 is 2304456.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 6543993 and 6544011.

It is not an unprimeable number, because it can be changed into a prime (6544039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (390474).

Almost surely, 2^6544032 is an apocalyptic number.

It is an amenable number.

6544032 is an abundant number, since it is smaller than the sum of its proper divisors (12198720).

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

6544032 is a wasteful number, since it uses less digits than its factorization.

6544032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6544032 is about 2558.1305674261. The cubic root of 6544032 is about 187.0460199205.

Adding to 6544032 its reverse (2304456), we get a palindrome (8848488).

The spelling of 6544032 in words is "six million, five hundred forty-four thousand, thirty-two".