99313550 has 48 divisors (see below), whose sum is σ = 216846240. Its totient is φ = 33125760.

The previous prime is 99313523. The next prime is 99313561. The reversal of 99313550 is 5531399.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 99313550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9116 + ... + 16784.

It is an arithmetic number, because the mean of its divisors is an integer number (4517630).

Almost surely, 2^99313550 is an apocalyptic number.

99313550 is an abundant number, since it is smaller than the sum of its proper divisors (117532690).

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

99313550 is a wasteful number, since it uses less digits than its factorization.

99313550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7720 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 99313550 is about 9965.6183952628. The cubic root of 99313550 is about 463.0943709661.

The spelling of 99313550 in words is "ninety-nine million, three hundred thirteen thousand, five hundred fifty".