99551088 has 240 divisors, whose sum is σ = 350977536. Its totient is φ = 25643520.

The previous prime is 99551083. The next prime is 99551093. The reversal of 99551088 is 88015599.

99551088 is a `hidden beast` number, since 99 + 551 + 0 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (99551083) and next prime (99551093).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99551083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930331 + ... + 930437.

Almost surely, 2^99551088 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 99551088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175488768).

99551088 is an abundant number, since it is smaller than the sum of its proper divisors (251426448).

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

99551088 is a wasteful number, since it uses less digits than its factorization.

99551088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 99551088 is about 9977.5291530519. The cubic root of 99551088 is about 463.4632864725.

The spelling of 99551088 in words is "ninety-nine million, five hundred fifty-one thousand, eighty-eight".