5643506 has 16 divisors (see below), whose sum is σ = 9367488. Its totient is φ = 2528400.

The previous prime is 5643503. The next prime is 5643509. The reversal of 5643506 is 6053465.

It is an interprime number because it is at equal distance from previous prime (5643503) and next prime (5643509).

It is not an unprimeable number, because it can be changed into a prime (5643503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (585468).

Almost surely, 2^5643506 is an apocalyptic number.

5643506 is a deficient number, since it is larger than the sum of its proper divisors (3723982).

5643506 is a wasteful number, since it uses less digits than its factorization.

5643506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5643506 is about 2375.6064488884. The cubic root of 5643506 is about 178.0394854120.

The spelling of 5643506 in words is "five million, six hundred forty-three thousand, five hundred six".