It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 5 501 994 is not a prime number.
For example, 5 501 994 can be divided by 2: 5 501 994 / 2 = 2 750 997.
For 5 501 994 to be a prime number, it would have been required that 5 501 994 has only two divisors, i.e., itself and 1.
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5 501 994 is an even number, because it is evenly divisible by 2: 5 501 994 / 2 = 2 750 997.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 5 501 994 is about 2 345.633.
Thus, the square root of 5 501 994 is not an integer, and therefore 5 501 994 is not a square number.
The square of a number (here 5 501 994) is the result of the product of this number (5 501 994) by itself (i.e., 5 501 994 × 5 501 994); the square of 5 501 994 is sometimes called "raising 5 501 994 to the power 2", or "5 501 994 squared".
The square of 5 501 994 is 30 271 937 976 036 because 5 501 994 × 5 501 994 = 5 501 9942 = 30 271 937 976 036.
As a consequence, 5 501 994 is the square root of 30 271 937 976 036.
The multiples of 5 501 994 are all integers evenly divisible by 5 501 994, that is all numbers such that the remainder of the division by 5 501 994 is zero. There are infinitely many multiples of 5 501 994. The smallest multiples of 5 501 994 are: