5643504 has 30 divisors (see below), whose sum is σ = 15794376. Its totient is φ = 1881120.

The previous prime is 5643503. The next prime is 5643509. The reversal of 5643504 is 4053465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643503) 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 5 ways as a sum of consecutive naturals, for example, 19452 + ... + 19739.

Almost surely, 2^5643504 is an apocalyptic number.

It is an amenable number.

5643504 is an abundant number, since it is smaller than the sum of its proper divisors (10150872).

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

5643504 is a wasteful number, since it uses less digits than its factorization.

5643504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39205 (or 39196 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5643504 is about 2375.6060279432. The cubic root of 5643504 is about 178.0394643802.

Adding to 5643504 its reverse (4053465), we get a palindrome (9696969).

The spelling of 5643504 in words is "five million, six hundred forty-three thousand, five hundred four".