89455231 has 4 divisors (see below), whose sum is σ = 89635000. Its totient is φ = 89275464.

The previous prime is 89455213. The next prime is 89455237. The reversal of 89455231 is 13255498.

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

It is a cyclic number.

It is not a de Polignac number, because 89455231 - 2⁵ = 89455199 is a prime.

It is a super-2 number, since 2×89455231² = 16004476706526722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89455237) 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, 89136 + ... + 90133.

It is an arithmetic number, because the mean of its divisors is an integer number (22408750).

Almost surely, 2^89455231 is an apocalyptic number.

89455231 is a deficient number, since it is larger than the sum of its proper divisors (179769).

89455231 is a wasteful number, since it uses less digits than its factorization.

89455231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179768.

The product of its digits is 43200, while the sum is 37.

The square root of 89455231 is about 9458.0775530760. The cubic root of 89455231 is about 447.2344476943.

The spelling of 89455231 in words is "eighty-nine million, four hundred fifty-five thousand, two hundred thirty-one".