5720557 has 4 divisors (see below), whose sum is σ = 5759100. Its totient is φ = 5682016.

The previous prime is 5720543. The next prime is 5720567. The reversal of 5720557 is 7550275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 4541161 = 1086^2 + 2131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5720557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048 + ... + 19345.

It is an arithmetic number, because the mean of its divisors is an integer number (1439775).

Almost surely, 2^5720557 is an apocalyptic number.

It is an amenable number.

5720557 is a deficient number, since it is larger than the sum of its proper divisors (38543).

5720557 is a wasteful number, since it uses less digits than its factorization.

5720557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38542.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 5720557 is about 2391.7685924855. The cubic root of 5720557 is about 178.8460855602.

The spelling of 5720557 in words is "five million, seven hundred twenty thousand, five hundred fifty-seven".