5501720717 has 2 divisors, whose sum is σ = 5501720718. Its totient is φ = 5501720716.

The previous prime is 5501720711. The next prime is 5501720729. The reversal of 5501720717 is 7170271055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4875670276 + 626050441 = 69826^2 + 25021^2 .

It is a cyclic number.

It is not a de Polignac number, because 5501720717 - 2⁸ = 5501720461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5501720711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750860358 + 2750860359.

It is an arithmetic number, because the mean of its divisors is an integer number (2750860359).

Almost surely, 2^5501720717 is an apocalyptic number.

It is an amenable number.

5501720717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5501720717 is an equidigital number, since it uses as much as digits as its factorization.

5501720717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 5501720717 is about 74173.5850353750. The cubic root of 5501720717 is about 1765.3582312084.

The spelling of 5501720717 in words is "five billion, five hundred one million, seven hundred twenty thousand, seven hundred seventeen".