89528453442 has 64 divisors (see below), whose sum is σ = 207856834560. Its totient is φ = 28510294032.

The previous prime is 89528453423. The next prime is 89528453449. The reversal of 89528453442 is 24435482598.

89528453442 is a `hidden beast` number, since 8 + 9 + 528 + 45 + 34 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (89528453449) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 978373 + ... + 1065959.

It is an arithmetic number, because the mean of its divisors is an integer number (3247763040).

Almost surely, 2^89528453442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89528453442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103928417280).

89528453442 is an abundant number, since it is smaller than the sum of its proper divisors (118328381118).

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

89528453442 is a wasteful number, since it uses less digits than its factorization.

89528453442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88444 (or 88438 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 89528453442 in words is "eighty-nine billion, five hundred twenty-eight million, four hundred fifty-three thousand, four hundred forty-two".