54778538743 has 2 divisors, whose sum is σ = 54778538744. Its totient is φ = 54778538742.

The previous prime is 54778538707. The next prime is 54778538783. The reversal of 54778538743 is 34783587745.

54778538743 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 54778538743 - 2⁹ = 54778538231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54778538783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27389269371 + 27389269372.

It is an arithmetic number, because the mean of its divisors is an integer number (27389269372).

Almost surely, 2^54778538743 is an apocalyptic number.

54778538743 is a deficient number, since it is larger than the sum of its proper divisors (1).

54778538743 is an equidigital number, since it uses as much as digits as its factorization.

54778538743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79027200, while the sum is 61.

The spelling of 54778538743 in words is "fifty-four billion, seven hundred seventy-eight million, five hundred thirty-eight thousand, seven hundred forty-three".