89305537 has 4 divisors (see below), whose sum is σ = 90309060. Its totient is φ = 88302016.

The previous prime is 89305523. The next prime is 89305603. The reversal of 89305537 is 73550398.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20349121 + 68956416 = 4511^2 + 8304^2 .

It is a cyclic number.

It is not a de Polignac number, because 89305537 - 2¹⁹ = 88781249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89305537.

It is not an unprimeable number, because it can be changed into a prime (89300537) 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, 501628 + ... + 501805.

It is an arithmetic number, because the mean of its divisors is an integer number (22577265).

Almost surely, 2^89305537 is an apocalyptic number.

It is an amenable number.

89305537 is a deficient number, since it is larger than the sum of its proper divisors (1003523).

89305537 is a wasteful number, since it uses less digits than its factorization.

89305537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003522.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 89305537 is about 9450.1606864645. The cubic root of 89305537 is about 446.9848416769.

The spelling of 89305537 in words is "eighty-nine million, three hundred five thousand, five hundred thirty-seven".