5541577918 has 16 divisors (see below), whose sum is σ = 8582459904. Its totient is φ = 2680798680.

The previous prime is 5541577901. The next prime is 5541577919. The reversal of 5541577918 is 8197751455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541577919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391521 + ... + 405427.

It is an arithmetic number, because the mean of its divisors is an integer number (536403744).

Almost surely, 2^5541577918 is an apocalyptic number.

5541577918 is a deficient number, since it is larger than the sum of its proper divisors (3040881986).

5541577918 is a wasteful number, since it uses less digits than its factorization.

5541577918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20367.

The product of its digits is 1764000, while the sum is 52.

The square root of 5541577918 is about 74441.7753549712. The cubic root of 5541577918 is about 1769.6110222303.

The spelling of 5541577918 in words is "five billion, five hundred forty-one million, five hundred seventy-seven thousand, nine hundred eighteen".