99946553 has 8 divisors (see below), whose sum is σ = 120943872. Its totient is φ = 80629056.

The previous prime is 99946549. The next prime is 99946589. The reversal of 99946553 is 35564999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99946553 - 2² = 99946549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99942553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419825 + ... + 420062.

It is an arithmetic number, because the mean of its divisors is an integer number (15117984).

Almost surely, 2^99946553 is an apocalyptic number.

It is an amenable number.

99946553 is a deficient number, since it is larger than the sum of its proper divisors (20997319).

99946553 is a wasteful number, since it uses less digits than its factorization.

99946553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839911.

The product of its digits is 1312200, while the sum is 50.

The square root of 99946553 is about 9997.3272928318. The cubic root of 99946553 is about 464.0761756251.

The spelling of 99946553 in words is "ninety-nine million, nine hundred forty-six thousand, five hundred fifty-three".