53944331143 has 8 divisors (see below), whose sum is σ = 54248933520. Its totient is φ = 53640500160.

The previous prime is 53944331141. The next prime is 53944331173. The reversal of 53944331143 is 34113344935.

It is a happy number.

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 53944331143 - 2¹ = 53944331141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53944331096 and 53944331105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53944331141) 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 7 ways as a sum of consecutive naturals, for example, 52305 + ... + 332602.

It is an arithmetic number, because the mean of its divisors is an integer number (6781116690).

Almost surely, 2^53944331143 is an apocalyptic number.

53944331143 is a deficient number, since it is larger than the sum of its proper divisors (304602377).

53944331143 is a wasteful number, since it uses less digits than its factorization.

53944331143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385697.

The product of its digits is 233280, while the sum is 40.

The spelling of 53944331143 in words is "fifty-three billion, nine hundred forty-four million, three hundred thirty-one thousand, one hundred forty-three".