5581954841 has 4 divisors (see below), whose sum is σ = 5586021732. Its totient is φ = 5577887952.

The previous prime is 5581954837. The next prime is 5581954849. The reversal of 5581954841 is 1484591855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3841396441 + 1740558400 = 61979^2 + 41720^2 .

It is a cyclic number.

It is not a de Polignac number, because 5581954841 - 2² = 5581954837 is a prime.

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 5581954841.

It is not an unprimeable number, because it can be changed into a prime (5581954849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031386 + ... + 2034131.

It is an arithmetic number, because the mean of its divisors is an integer number (1396505433).

Almost surely, 2^5581954841 is an apocalyptic number.

It is an amenable number.

5581954841 is a deficient number, since it is larger than the sum of its proper divisors (4066891).

5581954841 is a wasteful number, since it uses less digits than its factorization.

5581954841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066890.

The product of its digits is 1152000, while the sum is 50.

The square root of 5581954841 is about 74712.4811594422. The cubic root of 5581954841 is about 1773.8985261452.

The spelling of 5581954841 in words is "five billion, five hundred eighty-one million, nine hundred fifty-four thousand, eight hundred forty-one".