5571657 has 24 divisors (see below), whose sum is σ = 9906624. Its totient is φ = 2938464.

The previous prime is 5571649. The next prime is 5571659. The reversal of 5571657 is 7561755.

It is not a de Polignac number, because 5571657 - 2³ = 5571649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5571659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2583 + ... + 4220.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^5571657 is an apocalyptic number.

It is an amenable number.

5571657 is a deficient number, since it is larger than the sum of its proper divisors (4334967).

5571657 is a wasteful number, since it uses less digits than its factorization.

5571657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829 (or 6826 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 5571657 is about 2360.4357648536. The cubic root of 5571657 is about 177.2806998745.

The spelling of 5571657 in words is "five million, five hundred seventy-one thousand, six hundred fifty-seven".