5536411721 has 8 divisors (see below), whose sum is σ = 5728379400. Its totient is φ = 5344514560.

The previous prime is 5536411717. The next prime is 5536411739. The reversal of 5536411721 is 1271146355.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1063477321 + 4472934400 = 32611^2 + 66880^2 .

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 5536411721 - 2² = 5536411717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5536411781) 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, 179711 + ... + 208251.

It is an arithmetic number, because the mean of its divisors is an integer number (716047425).

Almost surely, 2^5536411721 is an apocalyptic number.

It is an amenable number.

5536411721 is a deficient number, since it is larger than the sum of its proper divisors (191967679).

5536411721 is a wasteful number, since it uses less digits than its factorization.

5536411721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35259.

The product of its digits is 25200, while the sum is 35.

The square root of 5536411721 is about 74407.0676817733. The cubic root of 5536411721 is about 1769.0609381375.

The spelling of 5536411721 in words is "five billion, five hundred thirty-six million, four hundred eleven thousand, seven hundred twenty-one".