54856984947289 has 8 divisors (see below), whose sum is σ = 62693987323968. Its totient is φ = 47020055130960.

The previous prime is 54856984947287. The next prime is 54856984947319. The reversal of 54856984947289 is 98274948965845.

It is a happy number.

54856984947289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54856984947289 - 2¹ = 54856984947287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54856984947287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16510282 + ... + 19552579.

It is an arithmetic number, because the mean of its divisors is an integer number (7836748415496).

Almost surely, 2^{54856984947289} is an apocalyptic number.

It is an amenable number.

54856984947289 is a deficient number, since it is larger than the sum of its proper divisors (7837002376679).

54856984947289 is a wasteful number, since it uses less digits than its factorization.

54856984947289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36280175.

The product of its digits is 50164531200, while the sum is 88.

The spelling of 54856984947289 in words is "fifty-four trillion, eight hundred fifty-six billion, nine hundred eighty-four million, nine hundred forty-seven thousand, two hundred eighty-nine".