8021552 has 80 divisors (see below), whose sum is σ = 20570112. Its totient is φ = 2933760.

The previous prime is 8021539. The next prime is 8021567. The reversal of 8021552 is 2551208.

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, 20753 + ... + 21135.

Almost surely, 2^8021552 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 8021552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10285056).

8021552 is an abundant number, since it is smaller than the sum of its proper divisors (12548560).

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

8021552 is a wasteful number, since it uses less digits than its factorization.

8021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8021552 is about 2832.2344535719. The cubic root of 8021552 is about 200.1794389602.

The spelling of 8021552 in words is "eight million, twenty-one thousand, five hundred fifty-two".