5664415 has 4 divisors (see below), whose sum is σ = 6797304. Its totient is φ = 4531528.

The previous prime is 5664401. The next prime is 5664419. The reversal of 5664415 is 5144665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5664415 - 2⁷ = 5664287 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664419) 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, 566437 + ... + 566446.

It is an arithmetic number, because the mean of its divisors is an integer number (1699326).

Almost surely, 2^5664415 is an apocalyptic number.

5664415 is a deficient number, since it is larger than the sum of its proper divisors (1132889).

5664415 is a wasteful number, since it uses less digits than its factorization.

5664415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132888.

The product of its digits is 14400, while the sum is 31.

The square root of 5664415 is about 2380.0031512584. The cubic root of 5664415 is about 178.2590911935.

The spelling of 5664415 in words is "five million, six hundred sixty-four thousand, four hundred fifteen".