54577046647 has 2 divisors, whose sum is σ = 54577046648. Its totient is φ = 54577046646.

The previous prime is 54577046609. The next prime is 54577046669. The reversal of 54577046647 is 74664077545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54577046647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54577046677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27288523323 + 27288523324.

It is an arithmetic number, because the mean of its divisors is an integer number (27288523324).

Almost surely, 2^54577046647 is an apocalyptic number.

54577046647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54577046647 is an equidigital number, since it uses as much as digits as its factorization.

54577046647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 54577046647 in words is "fifty-four billion, five hundred seventy-seven million, forty-six thousand, six hundred forty-seven".