89537 has 4 divisors (see below), whose sum is σ = 102336. Its totient is φ = 76740.

The previous prime is 89533. The next prime is 89561. The reversal of 89537 is 73598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89537 - 2² = 89533 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89537.

It is not an unprimeable number, because it can be changed into a prime (89533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6389 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (25584).

2⁸⁹⁵³⁷ is an apocalyptic number.

It is an amenable number.

89537 is a deficient number, since it is larger than the sum of its proper divisors (12799).

89537 is a wasteful number, since it uses less digits than its factorization.

89537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12798.

The product of its digits is 7560, while the sum is 32.

The square root of 89537 is about 299.2273383232. The cubic root of 89537 is about 44.7370675154.

It can be divided in two parts, 89 and 537, that added together give a palindrome (626).

The spelling of 89537 in words is "eighty-nine thousand, five hundred thirty-seven".