89564503 has 18 divisors (see below), whose sum is σ = 105942024. Its totient is φ = 75717936.

The previous prime is 89564491. The next prime is 89564509. The reversal of 89564503 is 30546598.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 89564503 - 2⁵ = 89564471 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 (89564509) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1226875 + ... + 1226947.

It is an arithmetic number, because the mean of its divisors is an integer number (5885668).

Almost surely, 2^89564503 is an apocalyptic number.

89564503 is a deficient number, since it is larger than the sum of its proper divisors (16377521).

89564503 is an frugal number, since it uses more digits than its factorization.

89564503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 89564503 is about 9463.8524396780. The cubic root of 89564503 is about 447.4164766145.

The spelling of 89564503 in words is "eighty-nine million, five hundred sixty-four thousand, five hundred three".