5552115721 has 8 divisors (see below), whose sum is σ = 5587836800. Its totient is φ = 5516473248.

The previous prime is 5552115713. The next prime is 5552115749. The reversal of 5552115721 is 1275112555.

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

It is a cyclic number.

It is not a de Polignac number, because 5552115721 - 2³ = 5552115713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5552115791) 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, 125485 + ... + 163861.

It is an arithmetic number, because the mean of its divisors is an integer number (698479600).

Almost surely, 2^5552115721 is an apocalyptic number.

It is an amenable number.

5552115721 is a deficient number, since it is larger than the sum of its proper divisors (35721079).

5552115721 is a wasteful number, since it uses less digits than its factorization.

5552115721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39303.

The product of its digits is 17500, while the sum is 34.

The square root of 5552115721 is about 74512.5205653385. The cubic root of 5552115721 is about 1770.7320028685.

The spelling of 5552115721 in words is "five billion, five hundred fifty-two million, one hundred fifteen thousand, seven hundred twenty-one".