5665506 has 32 divisors (see below), whose sum is σ = 14128128. Its totient is φ = 1471440.

The previous prime is 5665483. The next prime is 5665507. The reversal of 5665506 is 6055665.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5670 + ... + 6593.

It is an arithmetic number, because the mean of its divisors is an integer number (441504).

Almost surely, 2^5665506 is an apocalyptic number.

5665506 is an abundant number, since it is smaller than the sum of its proper divisors (8462622).

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

5665506 is a wasteful number, since it uses less digits than its factorization.

5665506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 5665506 is about 2380.2323416003. The cubic root of 5665506 is about 178.2705350457.

The spelling of 5665506 in words is "five million, six hundred sixty-five thousand, five hundred six".