5498009 has 4 divisors (see below), whose sum is σ = 5997840. Its totient is φ = 4998180.

The previous prime is 5497993. The next prime is 5498039. The reversal of 5498009 is 9008945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5498009 - 2⁴ = 5497993 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5498009.

It is not an unprimeable number, because it can be changed into a prime (5498039) 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, 249899 + ... + 249920.

It is an arithmetic number, because the mean of its divisors is an integer number (1499460).

Almost surely, 2^5498009 is an apocalyptic number.

It is an amenable number.

5498009 is a deficient number, since it is larger than the sum of its proper divisors (499831).

5498009 is a wasteful number, since it uses less digits than its factorization.

5498009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499830.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 5498009 is about 2344.7833588628. The cubic root of 5498009 is about 176.4961144273.

It can be divided in two parts, 549 and 8009, that added together give a palindrome (8558).

The spelling of 5498009 in words is "five million, four hundred ninety-eight thousand, nine".