89648556 has 12 divisors (see below), whose sum is σ = 209179992. Its totient is φ = 29882848.

The previous prime is 89648527. The next prime is 89648597. The reversal of 89648556 is 65584698.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 89648499 and 89648508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735345 + ... + 3735368.

It is an arithmetic number, because the mean of its divisors is an integer number (17431666).

Almost surely, 2^89648556 is an apocalyptic number.

It is an amenable number.

89648556 is an abundant number, since it is smaller than the sum of its proper divisors (119531436).

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

89648556 is a wasteful number, since it uses less digits than its factorization.

89648556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470720 (or 7470718 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 89648556 is about 9468.2921374449. The cubic root of 89648556 is about 447.5563941704.

The spelling of 89648556 in words is "eighty-nine million, six hundred forty-eight thousand, five hundred fifty-six".