54001171880993 has 4 divisors (see below), whose sum is σ = 54001201688340. Its totient is φ = 54001142073648.

The previous prime is 54001171880959. The next prime is 54001171881049. The reversal of 54001171880993 is 39908817110045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10396187873344 + 43604984007649 = 3224312^2 + 6603407^2 .

It is a cyclic number.

It is not a de Polignac number, because 54001171880993 - 2¹⁴ = 54001171864609 is a prime.

It is a super-2 number, since 2×54001171880993² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54001171880893) 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 in 3 ways as a sum of consecutive naturals, for example, 11997230 + ... + 15872487.

It is an arithmetic number, because the mean of its divisors is an integer number (13500300422085).

Almost surely, 2^{54001171880993} is an apocalyptic number.

It is an amenable number.

54001171880993 is a deficient number, since it is larger than the sum of its proper divisors (29807347).

54001171880993 is a wasteful number, since it uses less digits than its factorization.

54001171880993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29807346.

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 54001171880993 in words is "fifty-four trillion, one billion, one hundred seventy-one million, eight hundred eighty thousand, nine hundred ninety-three".