5509479 has 16 divisors (see below), whose sum is σ = 7914240. Its totient is φ = 3396480.

The previous prime is 5509453. The next prime is 5509549. The reversal of 5509479 is 9749055.

It is not a de Polignac number, because 5509479 - 2¹⁶ = 5443943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (494640).

Almost surely, 2^5509479 is an apocalyptic number.

5509479 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5509479 is a deficient number, since it is larger than the sum of its proper divisors (2404761).

5509479 is a wasteful number, since it uses less digits than its factorization.

5509479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 5509479 is about 2347.2279395065. The cubic root of 5509479 is about 176.6187651469.

The spelling of 5509479 in words is "five million, five hundred nine thousand, four hundred seventy-nine".