89532271 has 4 divisors (see below), whose sum is σ = 89552344. Its totient is φ = 89512200.

The previous prime is 89532259. The next prime is 89532277. The reversal of 89532271 is 17223598.

89532271 is a nontrivial binomial coefficient, being equal to C(13382, 2).

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

It is a 3-Lehmer number, since φ(89532271) divides (89532271-1)³.

It is a cyclic number.

It is not a de Polignac number, because 89532271 - 2⁵ = 89532239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89532271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89532277) 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, 1 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (22388086).

Almost surely, 2^89532271 is an apocalyptic number.

89532271 is the 13381-st triangular number and also the 6691-st hexagonal number.

89532271 is the 4461-st centered nonagonal number.

89532271 is a deficient number, since it is larger than the sum of its proper divisors (20073).

89532271 is a wasteful number, since it uses less digits than its factorization.

89532271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072.

The product of its digits is 30240, while the sum is 37.

The square root of 89532271 is about 9462.1493858425. The cubic root of 89532271 is about 447.3627988825.

The spelling of 89532271 in words is "eighty-nine million, five hundred thirty-two thousand, two hundred seventy-one".