99053409 has 32 divisors (see below), whose sum is σ = 163537920. Its totient is φ = 51930432.

The previous prime is 99053377. The next prime is 99053411. The reversal of 99053409 is 90435099.

It is a happy number.

It is not a de Polignac number, because 99053409 - 2⁵ = 99053377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (99053419) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47854 + ... + 49880.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560).

Almost surely, 2^99053409 is an apocalyptic number.

It is an amenable number.

99053409 is a deficient number, since it is larger than the sum of its proper divisors (64484511).

99053409 is a wasteful number, since it uses less digits than its factorization.

99053409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 99053409 is about 9952.5579124163. The cubic root of 99053409 is about 462.6896756956.

The spelling of 99053409 in words is "ninety-nine million, fifty-three thousand, four hundred nine".