89605556 has 12 divisors (see below), whose sum is σ = 158572260. Its totient is φ = 44299200.

The previous prime is 89605543. The next prime is 89605567. The reversal of 89605556 is 65550698.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 72250000 = 4166^2 + 8500^2 .

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, 125495 + ... + 126206.

It is an arithmetic number, because the mean of its divisors is an integer number (13214355).

Almost surely, 2^89605556 is an apocalyptic number.

It is an amenable number.

89605556 is a deficient number, since it is larger than the sum of its proper divisors (68966704).

89605556 is a wasteful number, since it uses less digits than its factorization.

89605556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251794 (or 251792 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 89605556 is about 9466.0211282249. The cubic root of 89605556 is about 447.4848258017.

The spelling of 89605556 in words is "eighty-nine million, six hundred five thousand, five hundred fifty-six".