99558133 has 2 divisors, whose sum is σ = 99558134. Its totient is φ = 99558132.

The previous prime is 99558113. The next prime is 99558139. The reversal of 99558133 is 33185599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 7436529 = 9598^2 + 2727^2 .

It is a cyclic number.

It is not a de Polignac number, because 99558133 - 2⁹ = 99557621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99558133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99558139) 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 as a sum of consecutive naturals, namely, 49779066 + 49779067.

It is an arithmetic number, because the mean of its divisors is an integer number (49779067).

Almost surely, 2^99558133 is an apocalyptic number.

It is an amenable number.

99558133 is a deficient number, since it is larger than the sum of its proper divisors (1).

99558133 is an equidigital number, since it uses as much as digits as its factorization.

99558133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 99558133 is about 9977.8821901243. The cubic root of 99558133 is about 463.4742189558.

The spelling of 99558133 in words is "ninety-nine million, five hundred fifty-eight thousand, one hundred thirty-three".