5566534621 has 8 divisors (see below), whose sum is σ = 5896618560. Its totient is φ = 5236744128.

The previous prime is 5566534619. The next prime is 5566534651. The reversal of 5566534621 is 1264356655.

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 5566534621 - 2¹ = 5566534619 is a prime.

It is a super-2 number, since 2×5566534621² = 61972615373583227282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566534651) 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 7 ways as a sum of consecutive naturals, for example, 33681 + ... + 110758.

It is an arithmetic number, because the mean of its divisors is an integer number (737077320).

Almost surely, 2^5566534621 is an apocalyptic number.

It is an amenable number.

5566534621 is a deficient number, since it is larger than the sum of its proper divisors (330083939).

5566534621 is a wasteful number, since it uses less digits than its factorization.

5566534621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146723.

The product of its digits is 648000, while the sum is 43.

The square root of 5566534621 is about 74609.2127086193. The cubic root of 5566534621 is about 1772.2635473883.

The spelling of 5566534621 in words is "five billion, five hundred sixty-six million, five hundred thirty-four thousand, six hundred twenty-one".