5497778 has 32 divisors (see below), whose sum is σ = 9918720. Its totient is φ = 2252160.

The previous prime is 5497771. The next prime is 5497799. The reversal of 5497778 is 8777945.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (5497771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13238 + ... + 13646.

It is an arithmetic number, because the mean of its divisors is an integer number (309960).

Almost surely, 2^5497778 is an apocalyptic number.

5497778 is a deficient number, since it is larger than the sum of its proper divisors (4420942).

5497778 is a wasteful number, since it uses less digits than its factorization.

5497778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 493920, while the sum is 47.

The square root of 5497778 is about 2344.7341000634. The cubic root of 5497778 is about 176.4936425523.

It can be divided in two parts, 54977 and 78, that added together give a palindrome (55055).

The spelling of 5497778 in words is "five million, four hundred ninety-seven thousand, seven hundred seventy-eight".