99544550 has 24 divisors (see below), whose sum is σ = 211604016. Its totient is φ = 34129440.

The previous prime is 99544519. The next prime is 99544579. The reversal of 99544550 is 5544599.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99544498 and 99544507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141857 + ... + 142556.

It is an arithmetic number, because the mean of its divisors is an integer number (8816834).

Almost surely, 2^99544550 is an apocalyptic number.

99544550 is an abundant number, since it is smaller than the sum of its proper divisors (112059466).

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

99544550 is a wasteful number, since it uses less digits than its factorization.

99544550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284432 (or 284427 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 99544550 is about 9977.2015114460. The cubic root of 99544550 is about 463.4531402940.

The spelling of 99544550 in words is "ninety-nine million, five hundred forty-four thousand, five hundred fifty".