5571857 has 4 divisors (see below), whose sum is σ = 5764020. Its totient is φ = 5379696.

The previous prime is 5571851. The next prime is 5571887. The reversal of 5571857 is 7581755.

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 4648336 + 923521 = 2156^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 5571857 - 2¹⁰ = 5570833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5571857.

It is not an unprimeable number, because it can be changed into a prime (5571851) 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, 96038 + ... + 96095.

It is an arithmetic number, because the mean of its divisors is an integer number (1441005).

Almost surely, 2^5571857 is an apocalyptic number.

It is an amenable number.

5571857 is a deficient number, since it is larger than the sum of its proper divisors (192163).

5571857 is a wasteful number, since it uses less digits than its factorization.

5571857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192162.

The product of its digits is 49000, while the sum is 38.

The square root of 5571857 is about 2360.4781295322. The cubic root of 5571857 is about 177.2828210697.

The spelling of 5571857 in words is "five million, five hundred seventy-one thousand, eight hundred fifty-seven".