54641821618178 has 8 divisors (see below), whose sum is σ = 84606691537920. Its totient is φ = 26439591105540.

The previous prime is 54641821618103. The next prime is 54641821618183. The reversal of 54641821618178 is 87181612814645.

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

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 881319703519 = 54641821618178 / (5 + 4 + 6 + 4 + 1 + 8 + 2 + 1 + 6 + 1 + 8 + 1 + 7 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 54641821618178.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 440659851698 + ... + 440659851821.

It is an arithmetic number, because the mean of its divisors is an integer number (10575836442240).

Almost surely, 2^{54641821618178} is an apocalyptic number.

54641821618178 is a deficient number, since it is larger than the sum of its proper divisors (29964869919742).

54641821618178 is a wasteful number, since it uses less digits than its factorization.

54641821618178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881319703552.

The product of its digits is 20643840, while the sum is 62.

The spelling of 54641821618178 in words is "fifty-four trillion, six hundred forty-one billion, eight hundred twenty-one million, six hundred eighteen thousand, one hundred seventy-eight".