5045504581 has 8 divisors (see below), whose sum is σ = 5434223480. Its totient is φ = 4656871872.

The previous prime is 5045504561. The next prime is 5045504609. The reversal of 5045504581 is 1854055405.

It can be written as a sum of positive squares in 4 ways, for example, as 1791828900 + 3253675681 = 42330^2 + 57041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5045504581 - 2¹⁹ = 5044980293 is a prime.

It is a super-2 number, since 2×5045504581² = 50914232953783971122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5045504581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5045504501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151651 + ... + 181903.

It is an arithmetic number, because the mean of its divisors is an integer number (679277935).

Almost surely, 2^5045504581 is an apocalyptic number.

It is an amenable number.

5045504581 is a deficient number, since it is larger than the sum of its proper divisors (388718899).

5045504581 is a wasteful number, since it uses less digits than its factorization.

5045504581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43095.

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 5045504581 is about 71031.7153178775. The cubic root of 5045504581 is about 1715.1477381815.

Adding to 5045504581 its reverse (1854055405), we get a palindrome (6899559986).

The spelling of 5045504581 in words is "five billion, forty-five million, five hundred four thousand, five hundred eighty-one".