5502721 has 8 divisors (see below), whose sum is σ = 6505920. Its totient is φ = 4553808.

The previous prime is 5502709. The next prime is 5502743. The reversal of 5502721 is 1272055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5502721 - 2⁹ = 5502209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5502692 and 5502701.

It is not an unprimeable number, because it can be changed into a prime (5502821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13351 + ... + 13756.

It is an arithmetic number, because the mean of its divisors is an integer number (813240).

Almost surely, 2^5502721 is an apocalyptic number.

It is an amenable number.

5502721 is a deficient number, since it is larger than the sum of its proper divisors (1003199).

5502721 is a wasteful number, since it uses less digits than its factorization.

5502721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 5502721 is about 2345.7879273285. The cubic root of 5502721 is about 176.5465212940.

Adding to 5502721 its reverse (1272055), we get a palindrome (6774776).

The spelling of 5502721 in words is "five million, five hundred two thousand, seven hundred twenty-one".