1089493552 has 80 divisors (see below), whose sum is σ = 2563175232. Its totient is φ = 437944320.

The previous prime is 1089493549. The next prime is 1089493577. The reversal of 1089493552 is 2553949801.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 671302 + ... + 672922.

Almost surely, 2^1089493552 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 1089493552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281587616).

1089493552 is an abundant number, since it is smaller than the sum of its proper divisors (1473681680).

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

1089493552 is a wasteful number, since it uses less digits than its factorization.

1089493552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 1089493552 is about 33007.4772135042. The cubic root of 1089493552 is about 1028.9830513153.

The spelling of 1089493552 in words is "one billion, eighty-nine million, four hundred ninety-three thousand, five hundred fifty-two".