8557813056 has 112 divisors (see below), whose sum is σ = 25818778944. Its totient is φ = 2478268416.

The previous prime is 8557813049. The next prime is 8557813057. The reversal of 8557813056 is 6503187558.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 8557812996 and 8557813014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557813057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58410 + ... + 143273.

It is an arithmetic number, because the mean of its divisors is an integer number (230524812).

Almost surely, 2^8557813056 is an apocalyptic number.

It is an amenable number.

8557813056 is an abundant number, since it is smaller than the sum of its proper divisors (17260965888).

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

8557813056 is a wasteful number, since it uses less digits than its factorization.

8557813056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201728 (or 201718 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 8557813056 is about 92508.4485655229. The cubic root of 8557813056 is about 2045.4440210479. Note that the first 3 decimals are identical.

The spelling of 8557813056 in words is "eight billion, five hundred fifty-seven million, eight hundred thirteen thousand, fifty-six".