5645590 has 16 divisors (see below), whose sum is σ = 10209888. Its totient is φ = 2247616.

The previous prime is 5645579. The next prime is 5645609. The reversal of 5645590 is 955465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (638118).

Almost surely, 2^5645590 is an apocalyptic number.

5645590 is a deficient number, since it is larger than the sum of its proper divisors (4564298).

5645590 is a wasteful number, since it uses less digits than its factorization.

5645590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5645590 is about 2376.0450332433. The cubic root of 5645590 is about 178.0613978323.

The spelling of 5645590 in words is "five million, six hundred forty-five thousand, five hundred ninety".