55143130533143 has 4 divisors (see below), whose sum is σ = 55143299315160. Its totient is φ = 55142961751128.

The previous prime is 55143130533131. The next prime is 55143130533151. The reversal of 55143130533143 is 34133503134155.

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

It is a cyclic number.

It is not a de Polignac number, because 55143130533143 - 2⁸ = 55143130532887 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 55143130533143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143130533443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83899988 + ... + 84554681.

It is an arithmetic number, because the mean of its divisors is an integer number (13785824828790).

Almost surely, 2^{55143130533143} is an apocalyptic number.

55143130533143 is a deficient number, since it is larger than the sum of its proper divisors (168782017).

55143130533143 is a wasteful number, since it uses less digits than its factorization.

55143130533143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168782016.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 55143130533143 its reverse (34133503134155), we get a palindrome (89276633667298).

The spelling of 55143130533143 in words is "fifty-five trillion, one hundred forty-three billion, one hundred thirty million, five hundred thirty-three thousand, one hundred forty-three".