54131212143 has 32 divisors (see below), whose sum is σ = 81419520000. Its totient is φ = 35538530976.

The previous prime is 54131212111. The next prime is 54131212151. The reversal of 54131212143 is 34121213145.

It is not a de Polignac number, because 54131212143 - 2⁵ = 54131212111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131212943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797118 + ... + 862356.

It is an arithmetic number, because the mean of its divisors is an integer number (2544360000).

Almost surely, 2^54131212143 is an apocalyptic number.

54131212143 is a deficient number, since it is larger than the sum of its proper divisors (27288307857).

54131212143 is a wasteful number, since it uses less digits than its factorization.

54131212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65716 (or 65710 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 54131212143 its reverse (34121213145), we get a palindrome (88252425288).

The spelling of 54131212143 in words is "fifty-four billion, one hundred thirty-one million, two hundred twelve thousand, one hundred forty-three".