89508531 has 8 divisors (see below), whose sum is σ = 136393984. Its totient is φ = 51147720.

The previous prime is 89508527. The next prime is 89508541. The reversal of 89508531 is 13580598.

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

It is not a de Polignac number, because 89508531 - 2² = 89508527 is a prime.

It is a super-2 number, since 2×89508531² = 16023554243555922, which contains 22 as substring.

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 89508531.

It is not an unprimeable number, because it can be changed into a prime (89508541) 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, 2131135 + ... + 2131176.

It is an arithmetic number, because the mean of its divisors is an integer number (17049248).

Almost surely, 2^89508531 is an apocalyptic number.

89508531 is a deficient number, since it is larger than the sum of its proper divisors (46885453).

89508531 is a wasteful number, since it uses less digits than its factorization.

89508531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262321.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 89508531 is about 9460.8948308286. The cubic root of 89508531 is about 447.3232551085.

The spelling of 89508531 in words is "eighty-nine million, five hundred eight thousand, five hundred thirty-one".