9913250550 has 96 divisors (see below), whose sum is σ = 28123200000. Its totient is φ = 2263772160.

The previous prime is 9913250549. The next prime is 9913250563. The reversal of 9913250550 is 550523199.

9913250550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9913250499 and 9913250508.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1307671 + ... + 1315229.

It is an arithmetic number, because the mean of its divisors is an integer number (292950000).

Almost surely, 2^9913250550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9913250550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600000).

9913250550 is an abundant number, since it is smaller than the sum of its proper divisors (18209949450).

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

9913250550 is a wasteful number, since it uses less digits than its factorization.

9913250550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 9913250550 is about 99565.3079641699. The cubic root of 9913250550 is about 2148.1867206402.

The spelling of 9913250550 in words is "nine billion, nine hundred thirteen million, two hundred fifty thousand, five hundred fifty".