5449509 has 24 divisors (see below), whose sum is σ = 8666112. Its totient is φ = 3278880.

The previous prime is 5449489. The next prime is 5449511. The reversal of 5449509 is 9059445.

It is not a de Polignac number, because 5449509 - 2¹¹ = 5447461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5004 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (361088).

Almost surely, 2^5449509 is an apocalyptic number.

It is an amenable number.

5449509 is a deficient number, since it is larger than the sum of its proper divisors (3216603).

5449509 is a wasteful number, since it uses less digits than its factorization.

5449509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5449509 is about 2334.4183429711. The cubic root of 5449509 is about 175.9756013871.

The spelling of 5449509 in words is "five million, four hundred forty-nine thousand, five hundred nine".