5657997 has 8 divisors (see below), whose sum is σ = 7629120. Its totient is φ = 3729440.

The previous prime is 5657989. The next prime is 5657999. The reversal of 5657997 is 7997565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5657997 - 2³ = 5657989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10329 + ... + 10862.

It is an arithmetic number, because the mean of its divisors is an integer number (953640).

Almost surely, 2^5657997 is an apocalyptic number.

It is an amenable number.

5657997 is a deficient number, since it is larger than the sum of its proper divisors (1971123).

5657997 is a wasteful number, since it uses less digits than its factorization.

5657997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283.

The product of its digits is 595350, while the sum is 48.

The square root of 5657997 is about 2378.6544515755. The cubic root of 5657997 is about 178.1917409487.

The spelling of 5657997 in words is "five million, six hundred fifty-seven thousand, nine hundred ninety-seven".