99550500 has 192 divisors, whose sum is σ = 349440000. Its totient is φ = 21513600.

The previous prime is 99550489. The next prime is 99550511. The reversal of 99550500 is 505599.

It is an interprime number because it is at equal distance from previous prime (99550489) and next prime (99550511).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199251 + ... + 199749.

It is an arithmetic number, because the mean of its divisors is an integer number (1820000).

Almost surely, 2^99550500 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 99550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174720000).

99550500 is an abundant number, since it is smaller than the sum of its proper divisors (249889500).

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

99550500 is a wasteful number, since it uses less digits than its factorization.

99550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 99550500 is about 9977.4996867953. The cubic root of 99550500 is about 463.4623739864.

The spelling of 99550500 in words is "ninety-nine million, five hundred fifty thousand, five hundred".