89936533 has 2 divisors, whose sum is σ = 89936534. Its totient is φ = 89936532.

The previous prime is 89936507. The next prime is 89936543. The reversal of 89936533 is 33563998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 9690769 = 8958^2 + 3113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89936533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89936503) 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, 44968266 + 44968267.

It is an arithmetic number, because the mean of its divisors is an integer number (44968267).

Almost surely, 2^89936533 is an apocalyptic number.

It is an amenable number.

89936533 is a deficient number, since it is larger than the sum of its proper divisors (1).

89936533 is an equidigital number, since it uses as much as digits as its factorization.

89936533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 89936533 is about 9483.4873859778. The cubic root of 89936533 is about 448.0351086564.

The spelling of 89936533 in words is "eighty-nine million, nine hundred thirty-six thousand, five hundred thirty-three".