89508557 has 2 divisors, whose sum is σ = 89508558. Its totient is φ = 89508556.

The previous prime is 89508541. The next prime is 89508577. The reversal of 89508557 is 75580598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 7678441 = 9046^2 + 2771^2 .

It is a cyclic number.

It is not a de Polignac number, because 89508557 - 2⁴ = 89508541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89508527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44754278 + 44754279.

It is an arithmetic number, because the mean of its divisors is an integer number (44754279).

Almost surely, 2^89508557 is an apocalyptic number.

It is an amenable number.

89508557 is a deficient number, since it is larger than the sum of its proper divisors (1).

89508557 is an equidigital number, since it uses as much as digits as its factorization.

89508557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 89508557 is about 9460.8962049057. The cubic root of 89508557 is about 447.3232984206.

The spelling of 89508557 in words is "eighty-nine million, five hundred eight thousand, five hundred fifty-seven".