8000055564 has 24 divisors (see below), whose sum is σ = 19649259840. Its totient is φ = 2526333264.

The previous prime is 8000055563. The next prime is 8000055577. The reversal of 8000055564 is 4655500008.

It is not an unprimeable number, because it can be changed into a prime (8000055563) 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, 17543754 + ... + 17544209.

It is an arithmetic number, because the mean of its divisors is an integer number (818719160).

Almost surely, 2^8000055564 is an apocalyptic number.

It is an amenable number.

8000055564 is an abundant number, since it is smaller than the sum of its proper divisors (11649204276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8000055564 is a wasteful number, since it uses less digits than its factorization.

8000055564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35087989 (or 35087987 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 8000055564 is about 89443.0297116550. The cubic root of 8000055564 is about 2000.0046303226.

The spelling of 8000055564 in words is "eight billion, fifty-five thousand, five hundred sixty-four".