53353837172167 has 4 divisors (see below), whose sum is σ = 60975813911056. Its totient is φ = 45731860433280.

The previous prime is 53353837172143. The next prime is 53353837172197. The reversal of 53353837172167 is 76127173835335.

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

It is a de Polignac number, because none of the positive numbers 2^k-53353837172167 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 (53353837172107) 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 3 ways as a sum of consecutive naturals, for example, 3810988369434 + ... + 3810988369447.

It is an arithmetic number, because the mean of its divisors is an integer number (15243953477764).

Almost surely, 2^{53353837172167} is an apocalyptic number.

53353837172167 is a deficient number, since it is larger than the sum of its proper divisors (7621976738889).

53353837172167 is an equidigital number, since it uses as much as digits as its factorization.

53353837172167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621976738888.

The product of its digits is 66679200, while the sum is 61.

The spelling of 53353837172167 in words is "fifty-three trillion, three hundred fifty-three billion, eight hundred thirty-seven million, one hundred seventy-two thousand, one hundred sixty-seven".