89542656 has 156 divisors (see below), whose sum is σ = 296448672. Its totient is φ = 25509888.

The previous prime is 89542639. The next prime is 89542667. The reversal of 89542656 is 65624598.

Its product of digits (518400) is a multiple of the sum of its prime factors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257875 + ... + 258221.

It is an arithmetic number, because the mean of its divisors is an integer number (1900312).

Almost surely, 2^89542656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89542656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148224336).

89542656 is an abundant number, since it is smaller than the sum of its proper divisors (206906016).

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

89542656 is a wasteful number, since it uses less digits than its factorization.

89542656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 359 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 89542656 is about 9462.6981353100. The cubic root of 89542656 is about 447.3800950038.

The spelling of 89542656 in words is "eighty-nine million, five hundred forty-two thousand, six hundred fifty-six".