5566644455 has 8 divisors (see below), whose sum is σ = 6682490304. Its totient is φ = 4451637600.

The previous prime is 5566644451. The next prime is 5566644481. The reversal of 5566644455 is 5544466655.

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

It is not a de Polignac number, because 5566644455 - 2² = 5566644451 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566644451) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195056 + ... + 221765.

It is an arithmetic number, because the mean of its divisors is an integer number (835311288).

Almost surely, 2^5566644455 is an apocalyptic number.

5566644455 is a deficient number, since it is larger than the sum of its proper divisors (1115845849).

5566644455 is a wasteful number, since it uses less digits than its factorization.

5566644455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419497.

The product of its digits is 8640000, while the sum is 50.

The square root of 5566644455 is about 74609.9487669037. The cubic root of 5566644455 is about 1772.2752035638.

The spelling of 5566644455 in words is "five billion, five hundred sixty-six million, six hundred forty-four thousand, four hundred fifty-five".