54979849579147 has 2 divisors, whose sum is σ = 54979849579148. Its totient is φ = 54979849579146.

The previous prime is 54979849579139. The next prime is 54979849579201. The reversal of 54979849579147 is 74197594897945.

54979849579147 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 54979849579147 - 2³ = 54979849579139 is a prime.

It is not a weakly prime, because it can be changed into another prime (54979849570147) 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, 27489924789573 + 27489924789574.

It is an arithmetic number, because the mean of its divisors is an integer number (27489924789574).

Almost surely, 2^{54979849579147} is an apocalyptic number.

54979849579147 is a deficient number, since it is larger than the sum of its proper divisors (1).

54979849579147 is an equidigital number, since it uses as much as digits as its factorization.

54979849579147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28805414400, while the sum is 88.

The spelling of 54979849579147 in words is "fifty-four trillion, nine hundred seventy-nine billion, eight hundred forty-nine million, five hundred seventy-nine thousand, one hundred forty-seven".