54144989113 has 2 divisors, whose sum is σ = 54144989114. Its totient is φ = 54144989112.

The previous prime is 54144989053. The next prime is 54144989159. The reversal of 54144989113 is 31198944145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46443698064 + 7701291049 = 215508^2 + 87757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54144989113 is a prime.

It is not a weakly prime, because it can be changed into another prime (54144989183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072494556 + 27072494557.

It is an arithmetic number, because the mean of its divisors is an integer number (27072494557).

Almost surely, 2^54144989113 is an apocalyptic number.

It is an amenable number.

54144989113 is a deficient number, since it is larger than the sum of its proper divisors (1).

54144989113 is an equidigital number, since it uses as much as digits as its factorization.

54144989113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The spelling of 54144989113 in words is "fifty-four billion, one hundred forty-four million, nine hundred eighty-nine thousand, one hundred thirteen".