54144444139 has 2 divisors, whose sum is σ = 54144444140. Its totient is φ = 54144444138.

The previous prime is 54144444121. The next prime is 54144444157. The reversal of 54144444139 is 93144444145.

It is a balanced prime because it is at equal distance from previous prime (54144444121) and next prime (54144444157).

It is a cyclic number.

It is not a de Polignac number, because 54144444139 - 2⁹ = 54144443627 is a prime.

It is a super-2 number, since 2×54144444139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54144444095 and 54144444104.

It is not a weakly prime, because it can be changed into another prime (54144444839) 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, 27072222069 + 27072222070.

It is an arithmetic number, because the mean of its divisors is an integer number (27072222070).

Almost surely, 2^54144444139 is an apocalyptic number.

54144444139 is a deficient number, since it is larger than the sum of its proper divisors (1).

54144444139 is an equidigital number, since it uses as much as digits as its factorization.

54144444139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 43.

The spelling of 54144444139 in words is "fifty-four billion, one hundred forty-four million, four hundred forty-four thousand, one hundred thirty-nine".