54692448749 has 2 divisors, whose sum is σ = 54692448750. Its totient is φ = 54692448748.

The previous prime is 54692448677. The next prime is 54692448757. The reversal of 54692448749 is 94784429645.

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., 36174138025 + 18518310724 = 190195^2 + 136082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54692448749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54692448691 and 54692448700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54692448799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27346224374 + 27346224375.

It is an arithmetic number, because the mean of its divisors is an integer number (27346224375).

Almost surely, 2^54692448749 is an apocalyptic number.

It is an amenable number.

54692448749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54692448749 is an equidigital number, since it uses as much as digits as its factorization.

54692448749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 62.

The spelling of 54692448749 in words is "fifty-four billion, six hundred ninety-two million, four hundred forty-eight thousand, seven hundred forty-nine".