99444552 has 64 divisors (see below), whose sum is σ = 256322880. Its totient is φ = 32132352.

The previous prime is 99444551. The next prime is 99444563. The reversal of 99444552 is 25544499.

It is not an unprimeable number, because it can be changed into a prime (99444551) 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, 178258 + ... + 178814.

It is an arithmetic number, because the mean of its divisors is an integer number (4005045).

Almost surely, 2^99444552 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 99444552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128161440).

99444552 is an abundant number, since it is smaller than the sum of its proper divisors (156878328).

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

99444552 is a wasteful number, since it uses less digits than its factorization.

99444552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 778 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 99444552 is about 9972.1889272115. The cubic root of 99444552 is about 463.2979002054.

The spelling of 99444552 in words is "ninety-nine million, four hundred forty-four thousand, five hundred fifty-two".