6552126881 has 8 divisors (see below), whose sum is σ = 6596090280. Its totient is φ = 6508309248.

The previous prime is 6552126871. The next prime is 6552126883. The reversal of 6552126881 is 1886212556.

It can be written as a sum of positive squares in 4 ways, for example, as 423742225 + 6128384656 = 20585^2 + 78284^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6552126881 is a prime.

It is a super-2 number, since 2×6552126881² = 85860733329445576322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6552126883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54515 + ... + 126791.

It is an arithmetic number, because the mean of its divisors is an integer number (824511285).

Almost surely, 2^6552126881 is an apocalyptic number.

It is an amenable number.

6552126881 is a deficient number, since it is larger than the sum of its proper divisors (43963399).

6552126881 is a wasteful number, since it uses less digits than its factorization.

6552126881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72883.

The product of its digits is 230400, while the sum is 44.

The square root of 6552126881 is about 80945.2091293858. The cubic root of 6552126881 is about 1871.2311262561.

The spelling of 6552126881 in words is "six billion, five hundred fifty-two million, one hundred twenty-six thousand, eight hundred eighty-one".