5504021 has 4 divisors (see below), whose sum is σ = 5537952. Its totient is φ = 5470092.

The previous prime is 5504017. The next prime is 5504033. The reversal of 5504021 is 1204055.

5504021 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: 1204055 = 5 ⋅240811.

It is a cyclic number.

It is not a de Polignac number, because 5504021 - 2² = 5504017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5504041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (1384488).

Almost surely, 2^5504021 is an apocalyptic number.

It is an amenable number.

5504021 is a deficient number, since it is larger than the sum of its proper divisors (33931).

5504021 is a wasteful number, since it uses less digits than its factorization.

5504021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33930.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 5504021 is about 2346.0650033620. The cubic root of 5504021 is about 176.5604230471.

Adding to 5504021 its reverse (1204055), we get a palindrome (6708076).

The spelling of 5504021 in words is "five million, five hundred four thousand, twenty-one".