54738567839 has 2 divisors, whose sum is σ = 54738567840. Its totient is φ = 54738567838.

The previous prime is 54738567833. The next prime is 54738567857. The reversal of 54738567839 is 93876583745.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54738567839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54738567833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27369283919 + 27369283920.

It is an arithmetic number, because the mean of its divisors is an integer number (27369283920).

Almost surely, 2^54738567839 is an apocalyptic number.

54738567839 is a deficient number, since it is larger than the sum of its proper divisors (1).

54738567839 is an equidigital number, since it uses as much as digits as its factorization.

54738567839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 65.

The spelling of 54738567839 in words is "fifty-four billion, seven hundred thirty-eight million, five hundred sixty-seven thousand, eight hundred thirty-nine".