89530553381 has 2 divisors, whose sum is σ = 89530553382. Its totient is φ = 89530553380.

The previous prime is 89530553341. The next prime is 89530553383. The reversal of 89530553381 is 18335503598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87595873156 + 1934680225 = 295966^2 + 43985^2 .

It is a cyclic number.

It is not a de Polignac number, because 89530553381 - 2⁶ = 89530553317 is a prime.

It is a super-2 number, since 2×89530553381² (a number of 23 digits) contains 22 as substring.

Together with 89530553383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89530553383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44765276690 + 44765276691.

It is an arithmetic number, because the mean of its divisors is an integer number (44765276691).

Almost surely, 2^89530553381 is an apocalyptic number.

It is an amenable number.

89530553381 is a deficient number, since it is larger than the sum of its proper divisors (1).

89530553381 is an equidigital number, since it uses as much as digits as its factorization.

89530553381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 89530553381 in words is "eighty-nine billion, five hundred thirty million, five hundred fifty-three thousand, three hundred eighty-one".