5640504 has 32 divisors (see below), whose sum is σ = 14184720. Its totient is φ = 1869056.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640504 is 4050465.

5640504 = 122² + 123² + ... + 265².

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4132 + ... + 5324.

Almost surely, 2^5640504 is an apocalyptic number.

It is an amenable number.

5640504 is an abundant number, since it is smaller than the sum of its proper divisors (8544216).

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

5640504 is a wasteful number, since it uses less digits than its factorization.

5640504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5640504 is about 2374.9745261792. The cubic root of 5640504 is about 178.0079111074.

Adding to 5640504 its reverse (4050465), we get a palindrome (9690969).

The spelling of 5640504 in words is "five million, six hundred forty thousand, five hundred four".