99553323 has 4 divisors (see below), whose sum is σ = 132737768. Its totient is φ = 66368880.

The previous prime is 99553313. The next prime is 99553367. The reversal of 99553323 is 32335599.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99553323 - 2⁵ = 99553291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99553303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16592218 + ... + 16592223.

It is an arithmetic number, because the mean of its divisors is an integer number (33184442).

Almost surely, 2^99553323 is an apocalyptic number.

99553323 is a deficient number, since it is larger than the sum of its proper divisors (33184445).

99553323 is a wasteful number, since it uses less digits than its factorization.

99553323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33184444.

The product of its digits is 109350, while the sum is 39.

The square root of 99553323 is about 9977.6411541005. The cubic root of 99553323 is about 463.4667548179.

The spelling of 99553323 in words is "ninety-nine million, five hundred fifty-three thousand, three hundred twenty-three".