8552891520 has 128 divisors (see below), whose sum is σ = 30291552000. Its totient is φ = 2280766464.

The previous prime is 8552891519. The next prime is 8552891561. The reversal of 8552891520 is 251982558.

It is a happy number.

8552891520 is a `hidden beast` number, since 8 + 552 + 8 + 91 + 5 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230200 + ... + 264759.

It is an arithmetic number, because the mean of its divisors is an integer number (236652750).

Almost surely, 2^8552891520 is an apocalyptic number.

8552891520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8552891520 is an abundant number, since it is smaller than the sum of its proper divisors (21738660480).

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

8552891520 is a wasteful number, since it uses less digits than its factorization.

8552891520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494987 (or 494969 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 8552891520 is about 92481.8442722678. The cubic root of 8552891520 is about 2045.0518392018.

The spelling of 8552891520 in words is "eight billion, five hundred fifty-two million, eight hundred ninety-one thousand, five hundred twenty".