53278173843 has 8 divisors (see below), whose sum is σ = 74126155008. Its totient is φ = 33974487624.

The previous prime is 53278173811. The next prime is 53278173869. The reversal of 53278173843 is 34837187235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53278173843 - 2⁵ = 53278173811 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53278178843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386073655 + ... + 386073792.

It is an arithmetic number, because the mean of its divisors is an integer number (9265769376).

Almost surely, 2^53278173843 is an apocalyptic number.

53278173843 is a deficient number, since it is larger than the sum of its proper divisors (20847981165).

53278173843 is a wasteful number, since it uses less digits than its factorization.

53278173843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772147473.

The product of its digits is 3386880, while the sum is 51.

The spelling of 53278173843 in words is "fifty-three billion, two hundred seventy-eight million, one hundred seventy-three thousand, eight hundred forty-three".