5605778 has 8 divisors (see below), whose sum is σ = 8546700. Its totient is φ = 2756880.

The previous prime is 5605777. The next prime is 5605783. The reversal of 5605778 is 8775065.

It can be written as a sum of positive squares in 2 ways, for example, as 5536609 + 69169 = 2353^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5605771) 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, 22853 + ... + 23096.

Almost surely, 2^5605778 is an apocalyptic number.

5605778 is a deficient number, since it is larger than the sum of its proper divisors (2940922).

5605778 is a wasteful number, since it uses less digits than its factorization.

5605778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46012.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 5605778 is about 2367.6524238156. The cubic root of 5605778 is about 177.6418544661.

The spelling of 5605778 in words is "five million, six hundred five thousand, seven hundred seventy-eight".