5508409 has 3 divisors (see below), whose sum is σ = 5510757. Its totient is φ = 5506062.

The previous prime is 5508401. The next prime is 5508469. The reversal of 5508409 is 9048055.

The square root of 5508409 is 2347.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5508409 - 2³ = 5508401 is a prime.

It is a super-2 number, since 2×5508409² = 60685139422562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5508401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1174 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (1836919).

Almost surely, 2^5508409 is an apocalyptic number.

5508409 is the 2347-th square number.

5508409 is the 1174-th centered octagonal number.

It is an amenable number.

5508409 is a deficient number, since it is larger than the sum of its proper divisors (2348).

5508409 is an frugal number, since it uses more digits than its factorization.

5508409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The cubic root of 5508409 is about 176.6073306529.

The spelling of 5508409 in words is "five million, five hundred eight thousand, four hundred nine".