5504591 has 4 divisors (see below), whose sum is σ = 5523672. Its totient is φ = 5485512.

The previous prime is 5504581. The next prime is 5504647. The reversal of 5504591 is 1954055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5504591 - 2¹⁰ = 5503567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5504501) 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, 9101 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (1380918).

Almost surely, 2^5504591 is an apocalyptic number.

5504591 is a deficient number, since it is larger than the sum of its proper divisors (19081).

5504591 is a wasteful number, since it uses less digits than its factorization.

5504591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5504591 is about 2346.1864802270. The cubic root of 5504591 is about 176.5665177408.

The spelling of 5504591 in words is "five million, five hundred four thousand, five hundred ninety-one".