5530021 has 4 divisors (see below), whose sum is σ = 6320032. Its totient is φ = 4740012.

The previous prime is 5530001. The next prime is 5530027. The reversal of 5530021 is 1200355.

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.

It is a cyclic number.

It is not a de Polignac number, because 5530021 - 2⁹ = 5529509 is a prime.

It is a super-2 number, since 2×5530021² = 61162264520882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5529977 and 5530004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5530027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394995 + ... + 395008.

It is an arithmetic number, because the mean of its divisors is an integer number (1580008).

Almost surely, 2^5530021 is an apocalyptic number.

It is an amenable number.

5530021 is a deficient number, since it is larger than the sum of its proper divisors (790011).

5530021 is an equidigital number, since it uses as much as digits as its factorization.

5530021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790010.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 5530021 is about 2351.5996683109. The cubic root of 5530021 is about 176.8379996023.

Adding to 5530021 its reverse (1200355), we get a palindrome (6730376).

The spelling of 5530021 in words is "five million, five hundred thirty thousand, twenty-one".