5665636 has 12 divisors (see below), whose sum is σ = 10346112. Its totient is φ = 2709608.

The previous prime is 5665631. The next prime is 5665661. The reversal of 5665636 is 6365665.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5665595 and 5665604.

It is not an unprimeable number, because it can be changed into a prime (5665631) 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, 30700 + ... + 30883.

It is an arithmetic number, because the mean of its divisors is an integer number (862176).

Almost surely, 2^5665636 is an apocalyptic number.

It is an amenable number.

5665636 is a deficient number, since it is larger than the sum of its proper divisors (4680476).

5665636 is a wasteful number, since it uses less digits than its factorization.

5665636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61610 (or 61608 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 5665636 is about 2380.2596497021. The cubic root of 5665636 is about 178.2718985598.

The spelling of 5665636 in words is "five million, six hundred sixty-five thousand, six hundred thirty-six".