6552904681 has 4 divisors (see below), whose sum is σ = 6553123200. Its totient is φ = 6552686164.

The previous prime is 6552904637. The next prime is 6552904703. The reversal of 6552904681 is 1864092556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6552904681 - 2¹¹ = 6552902633 is a prime.

It is a super-2 number, since 2×6552904681² = 85881119516543423522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6552904621) 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 3 ways as a sum of consecutive naturals, for example, 55441 + ... + 127198.

It is an arithmetic number, because the mean of its divisors is an integer number (1638280800).

Almost surely, 2^6552904681 is an apocalyptic number.

It is an amenable number.

6552904681 is a deficient number, since it is larger than the sum of its proper divisors (218519).

6552904681 is a wasteful number, since it uses less digits than its factorization.

6552904681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218518.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 6552904681 is about 80950.0134712774. The cubic root of 6552904681 is about 1871.3051676582.

The spelling of 6552904681 in words is "six billion, five hundred fifty-two million, nine hundred four thousand, six hundred eighty-one".