89455 has 4 divisors (see below), whose sum is σ = 107352. Its totient is φ = 71560.

The previous prime is 89449. The next prime is 89459. The reversal of 89455 is 55498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55498 = 2 ⋅27749.

It is not a de Polignac number, because 89455 - 2¹¹ = 87407 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89459) 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, 8941 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (26838).

2⁸⁹⁴⁵⁵ is an apocalyptic number.

89455 is a deficient number, since it is larger than the sum of its proper divisors (17897).

89455 is a wasteful number, since it uses less digits than its factorization.

89455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896.

The product of its digits is 7200, while the sum is 31.

The square root of 89455 is about 299.0902873716. The cubic root of 89455 is about 44.7234062730.

It can be divided in two parts, 894 and 55, that added together give a palindrome (949).

The spelling of 89455 in words is "eighty-nine thousand, four hundred fifty-five".