5566493 has 4 divisors (see below), whose sum is σ = 5615868. Its totient is φ = 5517120.

The previous prime is 5566489. The next prime is 5566499. The reversal of 5566493 is 3946655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3946655 = 5 ⋅789331.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 4897369 = 818^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566493 - 2² = 5566489 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 (5566499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24518 + ... + 24743.

It is an arithmetic number, because the mean of its divisors is an integer number (1403967).

Almost surely, 2^5566493 is an apocalyptic number.

It is an amenable number.

5566493 is a deficient number, since it is larger than the sum of its proper divisors (49375).

5566493 is a wasteful number, since it uses less digits than its factorization.

5566493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49374.

The product of its digits is 97200, while the sum is 38.

The square root of 5566493 is about 2359.3416454596. The cubic root of 5566493 is about 177.2259130304.

The spelling of 5566493 in words is "five million, five hundred sixty-six thousand, four hundred ninety-three".