89442555001 has 2 divisors, whose sum is σ = 89442555002. Its totient is φ = 89442555000.

The previous prime is 89442554989. The next prime is 89442555011. The reversal of 89442555001 is 10055524498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70053384976 + 19389170025 = 264676^2 + 139245^2 .

It is a cyclic number.

It is not a de Polignac number, because 89442555001 - 2⁹ = 89442554489 is a prime.

It is a super-2 number, since 2×89442555001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89442555011) 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, 44721277500 + 44721277501.

It is an arithmetic number, because the mean of its divisors is an integer number (44721277501).

Almost surely, 2^89442555001 is an apocalyptic number.

It is an amenable number.

89442555001 is a deficient number, since it is larger than the sum of its proper divisors (1).

89442555001 is an equidigital number, since it uses as much as digits as its factorization.

89442555001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 89442555001 in words is "eighty-nine billion, four hundred forty-two million, five hundred fifty-five thousand, one".