89542506 has 16 divisors (see below), whose sum is σ = 179270784. Its totient is φ = 29816544.

The previous prime is 89542501. The next prime is 89542591. The reversal of 89542506 is 60524598.

It is not an unprimeable number, because it can be changed into a prime (89542501) 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, 1026 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (11204424).

Almost surely, 2^89542506 is an apocalyptic number.

89542506 is an abundant number, since it is smaller than the sum of its proper divisors (89728278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89542506 is a wasteful number, since it uses less digits than its factorization.

89542506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 89542506 is about 9462.6902094489. The cubic root of 89542506 is about 447.3798451897.

The spelling of 89542506 in words is "eighty-nine million, five hundred forty-two thousand, five hundred six".