5503319861 has 4 divisors (see below), whose sum is σ = 5926652172. Its totient is φ = 5079987552.

The previous prime is 5503319851. The next prime is 5503319867. The reversal of 5503319861 is 1689133055.

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 1426497361 + 4076822500 = 37769^2 + 63850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503319861 - 2³⁰ = 4429578037 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 (5503319867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211666136 + ... + 211666161.

It is an arithmetic number, because the mean of its divisors is an integer number (1481663043).

Almost surely, 2^5503319861 is an apocalyptic number.

It is an amenable number.

5503319861 is a deficient number, since it is larger than the sum of its proper divisors (423332311).

5503319861 is a wasteful number, since it uses less digits than its factorization.

5503319861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423332310.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 5503319861 is about 74184.3639926905. The cubic root of 5503319861 is about 1765.5292557959.

The spelling of 5503319861 in words is "five billion, five hundred three million, three hundred nineteen thousand, eight hundred sixty-one".