5581493541 has 24 divisors (see below), whose sum is σ = 8953882560. Its totient is φ = 3434762448.

The previous prime is 5581493501. The next prime is 5581493581. The reversal of 5581493541 is 1453941855.

It is a happy number.

5581493541 is a `hidden beast` number, since 5 + 5 + 8 + 14 + 93 + 541 = 666.

It is an interprime number because it is at equal distance from previous prime (5581493501) and next prime (5581493581).

It is not a de Polignac number, because 5581493541 - 2¹⁴ = 5581477157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581493501) 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 23 ways as a sum of consecutive naturals, for example, 607041 + ... + 616166.

It is an arithmetic number, because the mean of its divisors is an integer number (373078440).

Almost surely, 2^5581493541 is an apocalyptic number.

It is an amenable number.

5581493541 is a deficient number, since it is larger than the sum of its proper divisors (3372389019).

5581493541 is a wasteful number, since it uses less digits than its factorization.

5581493541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223242 (or 1223223 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 5581493541 is about 74709.3939274038. The cubic root of 5581493541 is about 1773.8496590394.

The spelling of 5581493541 in words is "five billion, five hundred eighty-one million, four hundred ninety-three thousand, five hundred forty-one".