5516309 has 4 divisors (see below), whose sum is σ = 5578380. Its totient is φ = 5454240.

The previous prime is 5516281. The next prime is 5516393. The reversal of 5516309 is 9036155.

5516309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9036155 = 5 ⋅1807231.

It can be written as a sum of positive squares in 2 ways, for example, as 2093809 + 3422500 = 1447^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516309 - 2⁸ = 5516053 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 (5516009) 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, 30902 + ... + 31079.

It is an arithmetic number, because the mean of its divisors is an integer number (1394595).

Almost surely, 2^5516309 is an apocalyptic number.

It is an amenable number.

5516309 is a deficient number, since it is larger than the sum of its proper divisors (62071).

5516309 is an equidigital number, since it uses as much as digits as its factorization.

5516309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62070.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 5516309 is about 2348.6823965790. The cubic root of 5516309 is about 176.6917186894.

The spelling of 5516309 in words is "five million, five hundred sixteen thousand, three hundred nine".