5509146 has 16 divisors (see below), whose sum is σ = 11128608. Its totient is φ = 1818000.

The previous prime is 5509111. The next prime is 5509151. The reversal of 5509146 is 6419055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (695538).

Almost surely, 2^5509146 is an apocalyptic number.

5509146 is an abundant number, since it is smaller than the sum of its proper divisors (5619462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5509146 is a wasteful number, since it uses less digits than its factorization.

5509146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5509146 is about 2347.1570036962. The cubic root of 5509146 is about 176.6152067201.

Subtracting 5509146 from its reverse (6419055), we obtain a palindrome (909909).

The spelling of 5509146 in words is "five million, five hundred nine thousand, one hundred forty-six".