5665542 has 8 divisors (see below), whose sum is σ = 11331096. Its totient is φ = 1888512.

The previous prime is 5665537. The next prime is 5665549. The reversal of 5665542 is 2455665.

It is a happy number.

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

5665542 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665549) 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, 472123 + ... + 472134.

It is an arithmetic number, because the mean of its divisors is an integer number (1416387).

Almost surely, 2^5665542 is an apocalyptic number.

5665542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5665542 is a wasteful number, since it uses less digits than its factorization.

5665542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944262.

The product of its digits is 36000, while the sum is 33.

The square root of 5665542 is about 2380.2399038752. The cubic root of 5665542 is about 178.2709126363.

The spelling of 5665542 in words is "five million, six hundred sixty-five thousand, five hundred forty-two".