54520052136143 has 16 divisors (see below), whose sum is σ = 59843027836800. Its totient is φ = 49258195152480.

The previous prime is 54520052136139. The next prime is 54520052136149. The reversal of 54520052136143 is 34163125002545.

It is a cyclic number.

It is not a de Polignac number, because 54520052136143 - 2² = 54520052136139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54520052136143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54520052136149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64611128 + ... + 65449506.

It is an arithmetic number, because the mean of its divisors is an integer number (3740189239800).

Almost surely, 2^{54520052136143} is an apocalyptic number.

54520052136143 is a deficient number, since it is larger than the sum of its proper divisors (5322975700657).

54520052136143 is a wasteful number, since it uses less digits than its factorization.

54520052136143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874822.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 54520052136143 its reverse (34163125002545), we get a palindrome (88683177138688).

The spelling of 54520052136143 in words is "fifty-four trillion, five hundred twenty billion, fifty-two million, one hundred thirty-six thousand, one hundred forty-three".