5567635981 has 8 divisors (see below), whose sum is σ = 5668889400. Its totient is φ = 5466704640.

The previous prime is 5567635951. The next prime is 5567636029. The reversal of 5567635981 is 1895367655.

It can be written as a sum of positive squares in 4 ways, for example, as 272745225 + 5294890756 = 16515^2 + 72766^2 .

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 5567635981 - 2¹⁵ = 5567603213 is a prime.

It is a super-3 number, since 3×5567635981³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5567635901) 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 7 ways as a sum of consecutive naturals, for example, 45496 + ... + 114913.

It is an arithmetic number, because the mean of its divisors is an integer number (708611175).

Almost surely, 2^5567635981 is an apocalyptic number.

It is an amenable number.

5567635981 is a deficient number, since it is larger than the sum of its proper divisors (101253419).

5567635981 is a wasteful number, since it uses less digits than its factorization.

5567635981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161039.

The product of its digits is 6804000, while the sum is 55.

The square root of 5567635981 is about 74616.5932015125. The cubic root of 5567635981 is about 1772.3804227034.

The spelling of 5567635981 in words is "five billion, five hundred sixty-seven million, six hundred thirty-five thousand, nine hundred eighty-one".