54001171881049 has 2 divisors, whose sum is σ = 54001171881050. Its totient is φ = 54001171881048.

The previous prime is 54001171880959. The next prime is 54001171881053. The reversal of 54001171881049 is 94018817110045.

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., 36762333608025 + 17238838273024 = 6063195^2 + 4151968^2 .

It is a cyclic number.

It is not a de Polignac number, because 54001171881049 - 2⁷ = 54001171880921 is a prime.

It is a super-2 number, since 2×54001171881049² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54001171880993 and 54001171881011.

It is not a weakly prime, because it can be changed into another prime (54001171821049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27000585940524 + 27000585940525.

It is an arithmetic number, because the mean of its divisors is an integer number (27000585940525).

Almost surely, 2^{54001171881049} is an apocalyptic number.

It is an amenable number.

54001171881049 is a deficient number, since it is larger than the sum of its proper divisors (1).

54001171881049 is an equidigital number, since it uses as much as digits as its factorization.

54001171881049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 49.

The spelling of 54001171881049 in words is "fifty-four trillion, one billion, one hundred seventy-one million, eight hundred eighty-one thousand, forty-nine".