5547778 has 8 divisors (see below), whose sum is σ = 8340480. Its totient is φ = 2767620.

The previous prime is 5547769. The next prime is 5547779. The reversal of 5547778 is 8777455.

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 (5547779) 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, 1938 + ... + 3853.

It is an arithmetic number, because the mean of its divisors is an integer number (1042560).

Almost surely, 2^5547778 is an apocalyptic number.

5547778 is a deficient number, since it is larger than the sum of its proper divisors (2792702).

5547778 is a wasteful number, since it uses less digits than its factorization.

5547778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272.

The product of its digits is 274400, while the sum is 43.

The square root of 5547778 is about 2355.3721574308. The cubic root of 5547778 is about 177.0270740715.

It can be divided in two parts, 55477 and 78, that added together give a palindrome (55555).

The spelling of 5547778 in words is "five million, five hundred forty-seven thousand, seven hundred seventy-eight".