89494543 has 4 divisors (see below), whose sum is σ = 89651848. Its totient is φ = 89337240.

The previous prime is 89494499. The next prime is 89494547. The reversal of 89494543 is 34549498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89494543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89494493 and 89494502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89494547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77796 + ... + 78937.

It is an arithmetic number, because the mean of its divisors is an integer number (22412962).

Almost surely, 2^89494543 is an apocalyptic number.

89494543 is a deficient number, since it is larger than the sum of its proper divisors (157305).

89494543 is a wasteful number, since it uses less digits than its factorization.

89494543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157304.

The product of its digits is 622080, while the sum is 46.

The square root of 89494543 is about 9460.1555484041. The cubic root of 89494543 is about 447.2999519902.

The spelling of 89494543 in words is "eighty-nine million, four hundred ninety-four thousand, five hundred forty-three".