89945656 has 16 divisors (see below), whose sum is σ = 168783840. Its totient is φ = 44936640.

The previous prime is 89945629. The next prime is 89945683. The reversal of 89945656 is 65654998.

It is an interprime number because it is at equal distance from previous prime (89945629) and next prime (89945683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8116 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (10548990).

Almost surely, 2^89945656 is an apocalyptic number.

It is an amenable number.

89945656 is a deficient number, since it is larger than the sum of its proper divisors (78838184).

89945656 is a wasteful number, since it uses less digits than its factorization.

89945656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054 (or 9050 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The square root of 89945656 is about 9483.9683677246. The cubic root of 89945656 is about 448.0502574358.

It can be divided in two parts, 89945 and 656, that added together give a square (90601 = 301²).

The spelling of 89945656 in words is "eighty-nine million, nine hundred forty-five thousand, six hundred fifty-six".