9955357544 has 64 divisors (see below), whose sum is σ = 20611281600. Its totient is φ = 4470220800.

The previous prime is 9955357543. The next prime is 9955357547. The reversal of 9955357544 is 4457535599.

It is a self number, because there is not a number n which added to its sum of digits gives 9955357544.

It is not an unprimeable number, because it can be changed into a prime (9955357543) 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, 9124439 + ... + 9125529.

It is an arithmetic number, because the mean of its divisors is an integer number (322051275).

Almost surely, 2^9955357544 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 9955357544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10305640800).

9955357544 is an abundant number, since it is smaller than the sum of its proper divisors (10655924056).

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

9955357544 is a wasteful number, since it uses less digits than its factorization.

9955357544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2270 counting only the distinct ones).

The product of its digits is 17010000, while the sum is 56.

The square root of 9955357544 is about 99776.5380437706. The cubic root of 9955357544 is about 2151.2239322157.

The spelling of 9955357544 in words is "nine billion, nine hundred fifty-five million, three hundred fifty-seven thousand, five hundred forty-four".