54275581517 has 8 divisors (see below), whose sum is σ = 54546594840. Its totient is φ = 54004864320.

The previous prime is 54275581501. The next prime is 54275581519. The reversal of 54275581517 is 71518557245.

It can be written as a sum of positive squares in 4 ways, for example, as 44924498116 + 9351083401 = 211954^2 + 96701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54275581517 - 2⁴ = 54275581501 is a prime.

It is a super-3 number, since 3×54275581517³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54275581519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298103 + ... + 444315.

It is an arithmetic number, because the mean of its divisors is an integer number (6818324355).

Almost surely, 2^54275581517 is an apocalyptic number.

It is an amenable number.

54275581517 is a deficient number, since it is larger than the sum of its proper divisors (271013323).

54275581517 is a wasteful number, since it uses less digits than its factorization.

54275581517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148063.

The product of its digits is 1960000, while the sum is 50.

The spelling of 54275581517 in words is "fifty-four billion, two hundred seventy-five million, five hundred eighty-one thousand, five hundred seventeen".