5515884361 has 27 divisors (see below), whose sum is σ = 6217442751. Its totient is φ = 4891059264.

The previous prime is 5515884337. The next prime is 5515884391. The reversal of 5515884361 is 1634885155.

The square root of 5515884361 is 74269.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 1309064761 + 4206819600 = 36181^2 + 64860^2 .

It is not a de Polignac number, because 5515884361 - 2⁵ = 5515884329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5515884331) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27999315 + ... + 27999511.

Almost surely, 2^5515884361 is an apocalyptic number.

5515884361 is the 74269-th square number.

5515884361 is the 37135-th centered octagonal number.

It is an amenable number.

5515884361 is a deficient number, since it is larger than the sum of its proper divisors (701558390).

5515884361 is an equidigital number, since it uses as much as digits as its factorization.

5515884361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 239 counting only the distinct ones).

The product of its digits is 576000, while the sum is 46.

The cubic root of 5515884361 is about 1766.8718473256.

The spelling of 5515884361 in words is "five billion, five hundred fifteen million, eight hundred eighty-four thousand, three hundred sixty-one".