9561552000 has 1024 divisors, whose sum is σ = 42771456000. Its totient is φ = 1824768000.

The previous prime is 9561551957. The next prime is 9561552017. The reversal of 9561552000 is 2551659.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48047901 + ... + 48048099.

It is an arithmetic number, because the mean of its divisors is an integer number (41769000).

Almost surely, 2^9561552000 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 9561552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21385728000).

9561552000 is an abundant number, since it is smaller than the sum of its proper divisors (33209904000).

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

9561552000 is a wasteful number, since it uses less digits than its factorization.

9561552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 9561552000 is about 97783.1887391693. The cubic root of 9561552000 is about 2122.4760437418.

The spelling of 9561552000 in words is "nine billion, five hundred sixty-one million, five hundred fifty-two thousand".