5541760249 has 27 divisors (see below), whose sum is σ = 6137563341. Its totient is φ = 5002569600.

The previous prime is 5541760247. The next prime is 5541760303. The reversal of 5541760249 is 9420671455.

The square root of 5541760249 is 74443.

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

It can be written as a sum of positive squares in 4 ways, for example, as 547794025 + 4993966224 = 23405^2 + 70668^2 .

It is not a de Polignac number, because 5541760249 - 2¹ = 5541760247 is a prime.

It is a super-2 number, since 2×5541760249² = 61422213314793084002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541760243) 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, 36700324 + ... + 36700474.

Almost surely, 2^5541760249 is an apocalyptic number.

5541760249 is the 74443-rd square number.

5541760249 is the 37222-nd centered octagonal number.

It is an amenable number.

5541760249 is a deficient number, since it is larger than the sum of its proper divisors (595803092).

5541760249 is an equidigital number, since it uses as much as digits as its factorization.

5541760249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The cubic root of 5541760249 is about 1769.6304301447.

The spelling of 5541760249 in words is "five billion, five hundred forty-one million, seven hundred sixty thousand, two hundred forty-nine".