99539552 has 48 divisors (see below), whose sum is σ = 225792000. Its totient is φ = 42311808.

The previous prime is 99539551. The next prime is 99539591. The reversal of 99539552 is 25593599.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99539497 and 99539506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99539551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26699 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (4704000).

Almost surely, 2^99539552 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 99539552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112896000).

99539552 is an abundant number, since it is smaller than the sum of its proper divisors (126252448).

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

99539552 is a wasteful number, since it uses less digits than its factorization.

99539552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643 (or 3635 counting only the distinct ones).

The product of its digits is 546750, while the sum is 47.

The square root of 99539552 is about 9976.9510372658. The cubic root of 99539552 is about 463.4453837081.

The spelling of 99539552 in words is "ninety-nine million, five hundred thirty-nine thousand, five hundred fifty-two".