89557 has 6 divisors (see below), whose sum is σ = 97622. Its totient is φ = 81672.

The previous prime is 89533. The next prime is 89561. The reversal of 89557 is 75598.

89557 is nontrivially palindromic in base 4 and base 11.

It can be written as a sum of positive squares in only one way, i.e., 62001 + 27556 = 249^2 + 166^2 .

It is not a de Polignac number, because 89557 - 2¹¹ = 87509 is a prime.

It is a Duffinian number.

89557 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1038 + ... + 1120.

2⁸⁹⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

89557 is a deficient number, since it is larger than the sum of its proper divisors (8065).

89557 is an equidigital number, since it uses as much as digits as its factorization.

89557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 96 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 89557 is about 299.2607558635. The cubic root of 89557 is about 44.7403982604.

It can be divided in two parts, 895 and 57, that multiplied together give a palindrome (51015).

The spelling of 89557 in words is "eighty-nine thousand, five hundred fifty-seven".