5666797 has 4 divisors (see below), whose sum is σ = 6000156. Its totient is φ = 5333440.

The previous prime is 5666789. The next prime is 5666819. The reversal of 5666797 is 7976665.

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 3575881 + 2090916 = 1891^2 + 1446^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666797 - 2³ = 5666789 is a prime.

It is a super-2 number, since 2×5666797² = 64225176478418, which contains 22 as substring.

It is a Duffinian number.

5666797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666737) 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, 166654 + ... + 166687.

It is an arithmetic number, because the mean of its divisors is an integer number (1500039).

Almost surely, 2^5666797 is an apocalyptic number.

It is an amenable number.

5666797 is a deficient number, since it is larger than the sum of its proper divisors (333359).

5666797 is a wasteful number, since it uses less digits than its factorization.

5666797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333358.

The product of its digits is 476280, while the sum is 46.

The square root of 5666797 is about 2380.5035181659. The cubic root of 5666797 is about 178.2840748649.

The spelling of 5666797 in words is "five million, six hundred sixty-six thousand, seven hundred ninety-seven".