5545321 has 6 divisors (see below), whose sum is σ = 5852922. Its totient is φ = 5253120.

The previous prime is 5545273. The next prime is 5545339. The reversal of 5545321 is 1235455.

5545321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 346921 = 2280^2 + 589^2 .

It is not a de Polignac number, because 5545321 - 2⁷ = 5545193 is a prime.

It is a super-3 number, since 3×5545321³ (a number of 21 digits) contains 333 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 (5545021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7320 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (975487).

Almost surely, 2^5545321 is an apocalyptic number.

It is an amenable number.

5545321 is a deficient number, since it is larger than the sum of its proper divisors (307601).

5545321 is a wasteful number, since it uses less digits than its factorization.

5545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15399 (or 15380 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 5545321 is about 2354.8505260419. The cubic root of 5545321 is about 177.0009362947. Note that the first 3 decimals are identical.

The spelling of 5545321 in words is "five million, five hundred forty-five thousand, three hundred twenty-one".