5513321513 has 16 divisors (see below), whose sum is σ = 6618464256. Its totient is φ = 4490283600.

The previous prime is 5513321491. The next prime is 5513321519. The reversal of 5513321513 is 3151233155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5513321513 - 2¹⁰ = 5513320489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5513321519) 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, 89081 + ... + 137702.

It is an arithmetic number, because the mean of its divisors is an integer number (413654016).

Almost surely, 2^5513321513 is an apocalyptic number.

It is an amenable number.

5513321513 is a deficient number, since it is larger than the sum of its proper divisors (1105142743).

5513321513 is a wasteful number, since it uses less digits than its factorization.

5513321513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226964.

The product of its digits is 6750, while the sum is 29.

The square root of 5513321513 is about 74251.7441748004. The cubic root of 5513321513 is about 1766.5981574280.

Adding to 5513321513 its reverse (3151233155), we get a palindrome (8664554668).

The spelling of 5513321513 in words is "five billion, five hundred thirteen million, three hundred twenty-one thousand, five hundred thirteen".