5754517721 has 2 divisors, whose sum is σ = 5754517722. Its totient is φ = 5754517720.

The previous prime is 5754517687. The next prime is 5754517757. The reversal of 5754517721 is 1277154575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5477628121 + 276889600 = 74011^2 + 16640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5754517721 is a prime.

It is a super-2 number, since 2×5754517721² = 66228948402606067682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5754517121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2877258860 + 2877258861.

It is an arithmetic number, because the mean of its divisors is an integer number (2877258861).

Almost surely, 2^5754517721 is an apocalyptic number.

It is an amenable number.

5754517721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5754517721 is an equidigital number, since it uses as much as digits as its factorization.

5754517721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 343000, while the sum is 44.

The square root of 5754517721 is about 75858.5375617010. The cubic root of 5754517721 is about 1791.9930071915.

The spelling of 5754517721 in words is "five billion, seven hundred fifty-four million, five hundred seventeen thousand, seven hundred twenty-one".