5540778 has 16 divisors (see below), whose sum is σ = 12312960. Its totient is φ = 1846908.

The previous prime is 5540771. The next prime is 5540789. The reversal of 5540778 is 8770455.

It is not an unprimeable number, because it can be changed into a prime (5540771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51250 + ... + 51357.

It is an arithmetic number, because the mean of its divisors is an integer number (769560).

Almost surely, 2^5540778 is an apocalyptic number.

5540778 is an abundant number, since it is smaller than the sum of its proper divisors (6772182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5540778 is a wasteful number, since it uses less digits than its factorization.

5540778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102618 (or 102612 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 5540778 is about 2353.8857236493. The cubic root of 5540778 is about 176.9525871283.

The spelling of 5540778 in words is "five million, five hundred forty thousand, seven hundred seventy-eight".