54699966621109 has 8 divisors (see below), whose sum is σ = 55359512147520. Its totient is φ = 54040433232576.

The previous prime is 54699966621077. The next prime is 54699966621121. The reversal of 54699966621109 is 90112666999645.

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 54699966621109 - 2⁵ = 54699966621077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54699966621149) 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, 6201424 + ... + 12159670.

It is an arithmetic number, because the mean of its divisors is an integer number (6919939018440).

Almost surely, 2^{54699966621109} is an apocalyptic number.

It is an amenable number.

54699966621109 is a deficient number, since it is larger than the sum of its proper divisors (659545526411).

54699966621109 is a wasteful number, since it uses less digits than its factorization.

54699966621109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068939.

The product of its (nonzero) digits is 340122240, while the sum is 73.

The spelling of 54699966621109 in words is "fifty-four trillion, six hundred ninety-nine billion, nine hundred sixty-six million, six hundred twenty-one thousand, one hundred nine".