5778445 has 4 divisors (see below), whose sum is σ = 6934140. Its totient is φ = 4622752.

The previous prime is 5778439. The next prime is 5778449. The reversal of 5778445 is 5448775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4588164 + 1190281 = 2142^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 5778445 - 2¹³ = 5770253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5778398 and 5778407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5778449) 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, 577840 + ... + 577849.

It is an arithmetic number, because the mean of its divisors is an integer number (1733535).

Almost surely, 2^5778445 is an apocalyptic number.

It is an amenable number.

5778445 is a deficient number, since it is larger than the sum of its proper divisors (1155695).

5778445 is a wasteful number, since it uses less digits than its factorization.

5778445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155694.

The product of its digits is 156800, while the sum is 40.

The square root of 5778445 is about 2403.8396369142. The cubic root of 5778445 is about 179.4473274430.

The spelling of 5778445 in words is "five million, seven hundred seventy-eight thousand, four hundred forty-five".