5513509 has 4 divisors (see below), whose sum is σ = 5703660. Its totient is φ = 5323360.

The previous prime is 5513449. The next prime is 5513513. The reversal of 5513509 is 9053155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4708900 + 804609 = 2170^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 5513509 - 2¹¹ = 5511461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513539) 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, 95032 + ... + 95089.

It is an arithmetic number, because the mean of its divisors is an integer number (1425915).

Almost surely, 2^5513509 is an apocalyptic number.

It is an amenable number.

5513509 is a deficient number, since it is larger than the sum of its proper divisors (190151).

5513509 is a wasteful number, since it uses less digits than its factorization.

5513509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190150.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 5513509 is about 2348.0862420277. The cubic root of 5513509 is about 176.6618182286.

The spelling of 5513509 in words is "five million, five hundred thirteen thousand, five hundred nine".