99881053 has 2 divisors, whose sum is σ = 99881054. Its totient is φ = 99881052.

The previous prime is 99881029. The next prime is 99881059. The reversal of 99881053 is 35018899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 17489124 = 9077^2 + 4182^2 .

It is a cyclic number.

It is not a de Polignac number, because 99881053 - 2²¹ = 97783901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99881059) 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 as a sum of consecutive naturals, namely, 49940526 + 49940527.

It is an arithmetic number, because the mean of its divisors is an integer number (49940527).

Almost surely, 2^99881053 is an apocalyptic number.

It is an amenable number.

99881053 is a deficient number, since it is larger than the sum of its proper divisors (1).

99881053 is an equidigital number, since it uses as much as digits as its factorization.

99881053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 99881053 is about 9994.0508803988. The cubic root of 99881053 is about 463.9747759896.

The spelling of 99881053 in words is "ninety-nine million, eight hundred eighty-one thousand, fifty-three".