5505021 has 12 divisors (see below), whose sum is σ = 8023548. Its totient is φ = 3636864.

The previous prime is 5505001. The next prime is 5505023. The reversal of 5505021 is 1205055.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 4995225 = 714^2 + 2235^2 .

It is not a de Polignac number, because 5505021 - 2⁷ = 5504893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5504985 and 5505003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (668629).

Almost surely, 2^5505021 is an apocalyptic number.

It is an amenable number.

5505021 is a deficient number, since it is larger than the sum of its proper divisors (2518527).

5505021 is a wasteful number, since it uses less digits than its factorization.

5505021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 5505021 is about 2346.2781165071. The cubic root of 5505021 is about 176.5711152138.

The spelling of 5505021 in words is "five million, five hundred five thousand, twenty-one".