53721471811134 has 16 divisors (see below), whose sum is σ = 107761765417488. Its totient is φ = 17854020304512.

The previous prime is 53721471811129. The next prime is 53721471811187. The reversal of 53721471811134 is 43111817412735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13284239277 + ... + 13284243320.

It is an arithmetic number, because the mean of its divisors is an integer number (6735110338593).

Almost surely, 2^{53721471811134} is an apocalyptic number.

53721471811134 is an abundant number, since it is smaller than the sum of its proper divisors (54040293606354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53721471811134 is a wasteful number, since it uses less digits than its factorization.

53721471811134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26568482939.

The product of its digits is 564480, while the sum is 48.

The spelling of 53721471811134 in words is "fifty-three trillion, seven hundred twenty-one billion, four hundred seventy-one million, eight hundred eleven thousand, one hundred thirty-four".