89551 has 8 divisors (see below), whose sum is σ = 111744. Its totient is φ = 69720.

The previous prime is 89533. The next prime is 89561. The reversal of 89551 is 15598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89551 - 2⁵ = 89519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (13968).

2⁸⁹⁵⁵¹ is an apocalyptic number.

89551 is a deficient number, since it is larger than the sum of its proper divisors (22193).

89551 is a wasteful number, since it uses less digits than its factorization.

89551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its digits is 1800, while the sum is 28.

The square root of 89551 is about 299.2507309933. The cubic root of 89551 is about 44.7393990890.

It can be divided in two parts, 895 and 51, that added together give a triangular number (946 = T₄₃).

The spelling of 89551 in words is "eighty-nine thousand, five hundred fifty-one".