53181965789 has 8 divisors (see below), whose sum is σ = 57172103040. Its totient is φ = 49310937216.

The previous prime is 53181965779. The next prime is 53181965819. The reversal of 53181965789 is 98756918135.

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 53181965789 - 2¹⁶ = 53181900253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53181965779) 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, 29776244 + ... + 29778029.

It is an arithmetic number, because the mean of its divisors is an integer number (7146512880).

Almost surely, 2^53181965789 is an apocalyptic number.

It is an amenable number.

53181965789 is a deficient number, since it is larger than the sum of its proper divisors (3990137251).

53181965789 is a wasteful number, since it uses less digits than its factorization.

53181965789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59554339.

The product of its digits is 16329600, while the sum is 62.

The spelling of 53181965789 in words is "fifty-three billion, one hundred eighty-one million, nine hundred sixty-five thousand, seven hundred eighty-nine".