5504639 has 8 divisors (see below), whose sum is σ = 6494208. Its totient is φ = 4565880.

The previous prime is 5504581. The next prime is 5504647. The reversal of 5504639 is 9364055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5504639 - 2¹² = 5500543 is a prime.

It is a super-3 number, since 3×5504639³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5504669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12467 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (811776).

Almost surely, 2^5504639 is an apocalyptic number.

5504639 is a deficient number, since it is larger than the sum of its proper divisors (989569).

5504639 is a wasteful number, since it uses less digits than its factorization.

5504639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25405.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5504639 is about 2346.1967095706. The cubic root of 5504639 is about 176.5670309590.

The spelling of 5504639 in words is "five million, five hundred four thousand, six hundred thirty-nine".