54248391749 has 2 divisors, whose sum is σ = 54248391750. Its totient is φ = 54248391748.

The previous prime is 54248391683. The next prime is 54248391803. The reversal of 54248391749 is 94719384245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29084914849 + 25163476900 = 170543^2 + 158630^2 .

It is a cyclic number.

It is not a de Polignac number, because 54248391749 - 2²⁰ = 54247343173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54248391694 and 54248391703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54248391349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27124195874 + 27124195875.

It is an arithmetic number, because the mean of its divisors is an integer number (27124195875).

Almost surely, 2^54248391749 is an apocalyptic number.

It is an amenable number.

54248391749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54248391749 is an equidigital number, since it uses as much as digits as its factorization.

54248391749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The spelling of 54248391749 in words is "fifty-four billion, two hundred forty-eight million, three hundred ninety-one thousand, seven hundred forty-nine".