5516721201 has 16 divisors (see below), whose sum is σ = 7565192000. Its totient is φ = 3573315648.

The previous prime is 5516721169. The next prime is 5516721211. The reversal of 5516721201 is 1021276155.

It is not a de Polignac number, because 5516721201 - 2⁵ = 5516721169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5516721211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43650 + ... + 113748.

It is an arithmetic number, because the mean of its divisors is an integer number (472824500).

Almost surely, 2^5516721201 is an apocalyptic number.

It is an amenable number.

5516721201 is a deficient number, since it is larger than the sum of its proper divisors (2048470799).

5516721201 is a wasteful number, since it uses less digits than its factorization.

5516721201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70848.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 5516721201 is about 74274.6336308702. The cubic root of 5516721201 is about 1766.9611962055.

Adding to 5516721201 its reverse (1021276155), we get a palindrome (6537997356).

The spelling of 5516721201 in words is "five billion, five hundred sixteen million, seven hundred twenty-one thousand, two hundred one".