89557272 has 128 divisors (see below), whose sum is σ = 289267200. Its totient is φ = 25142400.

The previous prime is 89557271. The next prime is 89557277. The reversal of 89557272 is 27275598.

It is a happy number.

89557272 is a `hidden beast` number, since 8 + 9 + 5 + 572 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89557271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91747 + ... + 92717.

It is an arithmetic number, because the mean of its divisors is an integer number (2259900).

Almost surely, 2^89557272 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 89557272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144633600).

89557272 is an abundant number, since it is smaller than the sum of its proper divisors (199709928).

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

89557272 is a wasteful number, since it uses less digits than its factorization.

89557272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1044 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 89557272 is about 9463.4703993831. The cubic root of 89557272 is about 447.4044355510.

The spelling of 89557272 in words is "eighty-nine million, five hundred fifty-seven thousand, two hundred seventy-two".