99828550 has 24 divisors (see below), whose sum is σ = 187110792. Its totient is φ = 39624000.

The previous prime is 99828523. The next prime is 99828551. The reversal of 99828550 is 5582899.

It is a self number, because there is not a number n which added to its sum of digits gives 99828550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99828551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (7796283).

Almost surely, 2^99828550 is an apocalyptic number.

99828550 is a deficient number, since it is larger than the sum of its proper divisors (87282242).

99828550 is a wasteful number, since it uses less digits than its factorization.

99828550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384 (or 15379 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 99828550 is about 9991.4238224589. The cubic root of 99828550 is about 463.8934648149.

The spelling of 99828550 in words is "ninety-nine million, eight hundred twenty-eight thousand, five hundred fifty".