89958523 has 4 divisors (see below), whose sum is σ = 89984440. Its totient is φ = 89932608.

The previous prime is 89958499. The next prime is 89958527. The reversal of 89958523 is 32585998.

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 89958523 - 2²⁵ = 56404091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89958527) 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, 6765 + ... + 15022.

It is an arithmetic number, because the mean of its divisors is an integer number (22496110).

Almost surely, 2^89958523 is an apocalyptic number.

89958523 is a deficient number, since it is larger than the sum of its proper divisors (25917).

89958523 is a wasteful number, since it uses less digits than its factorization.

89958523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25916.

The product of its digits is 777600, while the sum is 49.

The square root of 89958523 is about 9484.6466987442. The cubic root of 89958523 is about 448.0716214017.

The spelling of 89958523 in words is "eighty-nine million, nine hundred fifty-eight thousand, five hundred twenty-three".