5532821 has 4 divisors (see below), whose sum is σ = 6323232. Its totient is φ = 4742412.

The previous prime is 5532763. The next prime is 5532833. The reversal of 5532821 is 1282355.

5532821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1282355 = 5 ⋅256471.

It is a cyclic number.

It is not a de Polignac number, because 5532821 - 2⁶ = 5532757 is a prime.

It is a super-2 number, since 2×5532821² = 61224216436082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5532841) 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 3 ways as a sum of consecutive naturals, for example, 395195 + ... + 395208.

It is an arithmetic number, because the mean of its divisors is an integer number (1580808).

Almost surely, 2^5532821 is an apocalyptic number.

It is an amenable number.

5532821 is a deficient number, since it is larger than the sum of its proper divisors (790411).

5532821 is an equidigital number, since it uses as much as digits as its factorization.

5532821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790410.

The product of its digits is 2400, while the sum is 26.

The square root of 5532821 is about 2352.1949323982. The cubic root of 5532821 is about 176.8678405290.

The spelling of 5532821 in words is "five million, five hundred thirty-two thousand, eight hundred twenty-one".