8552021 has 8 divisors (see below), whose sum is σ = 9051264. Its totient is φ = 8063440.

The previous prime is 8551997. The next prime is 8552039. The reversal of 8552021 is 1202558.

8552021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8552021 - 2¹⁸ = 8289877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8552221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (1131408).

Almost surely, 2^8552021 is an apocalyptic number.

It is an amenable number.

8552021 is a deficient number, since it is larger than the sum of its proper divisors (499243).

8552021 is a wasteful number, since it uses less digits than its factorization.

8552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331.

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

The square root of 8552021 is about 2924.3838667316. The cubic root of 8552021 is about 204.4982454522.

Adding to 8552021 its reverse (1202558), we get a palindrome (9754579).

The spelling of 8552021 in words is "eight million, five hundred fifty-two thousand, twenty-one".