99542508 has 48 divisors (see below), whose sum is σ = 253587936. Its totient is φ = 30205440.

The previous prime is 99542507. The next prime is 99542557. The reversal of 99542508 is 80524599.

It is a self number, because there is not a number n which added to its sum of digits gives 99542508.

It is not an unprimeable number, because it can be changed into a prime (99542507) 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, 7018 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (5283082).

Almost surely, 2^99542508 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 99542508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126793968).

99542508 is an abundant number, since it is smaller than the sum of its proper divisors (154045428).

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

99542508 is a wasteful number, since it uses less digits than its factorization.

99542508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 99542508 is about 9977.0991776167. The cubic root of 99542508 is about 463.4499712681.

The spelling of 99542508 in words is "ninety-nine million, five hundred forty-two thousand, five hundred eight".