89552985 has 32 divisors (see below), whose sum is σ = 151680000. Its totient is φ = 44991936.

The previous prime is 89552971. The next prime is 89552989. The reversal of 89552985 is 58925598.

It is not a de Polignac number, because 89552985 - 2⁶ = 89552921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89552989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55926 + ... + 57504.

It is an arithmetic number, because the mean of its divisors is an integer number (4740000).

Almost surely, 2^89552985 is an apocalyptic number.

It is an amenable number.

89552985 is a deficient number, since it is larger than the sum of its proper divisors (62127015).

89552985 is a wasteful number, since it uses less digits than its factorization.

89552985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805.

The product of its digits is 1296000, while the sum is 51.

The square root of 89552985 is about 9463.2438941412. The cubic root of 89552985 is about 447.3972965311.

The spelling of 89552985 in words is "eighty-nine million, five hundred fifty-two thousand, nine hundred eighty-five".