54777618109 has 8 divisors (see below), whose sum is σ = 57260395520. Its totient is φ = 52339575600.

The previous prime is 54777618101. The next prime is 54777618113. The reversal of 54777618109 is 90181677745.

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

It is a cyclic number.

It is not a de Polignac number, because 54777618109 - 2³ = 54777618101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54777618109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54777618101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11181222 + ... + 11186119.

It is an arithmetic number, because the mean of its divisors is an integer number (7157549440).

Almost surely, 2^54777618109 is an apocalyptic number.

It is an amenable number.

54777618109 is a deficient number, since it is larger than the sum of its proper divisors (2482777411).

54777618109 is a wasteful number, since it uses less digits than its factorization.

54777618109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22367451.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 54777618109 in words is "fifty-four billion, seven hundred seventy-seven million, six hundred eighteen thousand, one hundred nine".