54849487729931 has 2 divisors, whose sum is σ = 54849487729932. Its totient is φ = 54849487729930.

The previous prime is 54849487729889. The next prime is 54849487730033. The reversal of 54849487729931 is 13992778494845.

It is a happy number.

54849487729931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54849487729931 - 2⁶ = 54849487729867 is a prime.

It is a super-3 number, since 3×54849487729931³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (54849487729831) 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 as a sum of consecutive naturals, namely, 27424743864965 + 27424743864966.

It is an arithmetic number, because the mean of its divisors is an integer number (27424743864966).

Almost surely, 2^{54849487729931} is an apocalyptic number.

54849487729931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54849487729931 is an equidigital number, since it uses as much as digits as its factorization.

54849487729931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4389396480, while the sum is 80.

The spelling of 54849487729931 in words is "fifty-four trillion, eight hundred forty-nine billion, four hundred eighty-seven million, seven hundred twenty-nine thousand, nine hundred thirty-one".