54239539727 has 2 divisors, whose sum is σ = 54239539728. Its totient is φ = 54239539726.

The previous prime is 54239539643. The next prime is 54239539741. The reversal of 54239539727 is 72793593245.

54239539727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54239539727 is a prime.

It is a super-2 number, since 2×54239539727² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54239539327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119769863 + 27119769864.

It is an arithmetic number, because the mean of its divisors is an integer number (27119769864).

Almost surely, 2^54239539727 is an apocalyptic number.

54239539727 is a deficient number, since it is larger than the sum of its proper divisors (1).

54239539727 is an equidigital number, since it uses as much as digits as its factorization.

54239539727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14288400, while the sum is 56.

The spelling of 54239539727 in words is "fifty-four billion, two hundred thirty-nine million, five hundred thirty-nine thousand, seven hundred twenty-seven".