8557505504 has 48 divisors (see below), whose sum is σ = 17181923472. Its totient is φ = 4193998848.

The previous prime is 8557505503. The next prime is 8557505507. The reversal of 8557505504 is 4055057558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557505501) 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, 2581352 + ... + 2584664.

It is an arithmetic number, because the mean of its divisors is an integer number (357956739).

Almost surely, 2^8557505504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8557505504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8590961736).

8557505504 is an abundant number, since it is smaller than the sum of its proper divisors (8624417968).

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

8557505504 is a wasteful number, since it uses less digits than its factorization.

8557505504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 44.

The square root of 8557505504 is about 92506.7862591713. The cubic root of 8557505504 is about 2045.4195175939.

The spelling of 8557505504 in words is "eight billion, five hundred fifty-seven million, five hundred five thousand, five hundred four".