5711557 has 2 divisors, whose sum is σ = 5711558. Its totient is φ = 5711556.

The previous prime is 5711551. The next prime is 5711591. The reversal of 5711557 is 7551175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 720801 = 2234^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 5711557 - 2¹⁵ = 5678789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5711551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855778 + 2855779.

It is an arithmetic number, because the mean of its divisors is an integer number (2855779).

Almost surely, 2^5711557 is an apocalyptic number.

It is an amenable number.

5711557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5711557 is an equidigital number, since it uses as much as digits as its factorization.

5711557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6125, while the sum is 31.

The square root of 5711557 is about 2389.8863989738. The cubic root of 5711557 is about 178.7522450694.

The spelling of 5711557 in words is "five million, seven hundred eleven thousand, five hundred fifty-seven".