53134311636 has 120 divisors (see below), whose sum is σ = 159721974720. Its totient is φ = 15087990528.

The previous prime is 53134311613. The next prime is 53134311653. The reversal of 53134311636 is 63611343135.

53134311636 is a `hidden beast` number, since 5 + 3 + 1 + 3 + 4 + 3 + 11 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53134311636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 297820 + ... + 441548.

It is an arithmetic number, because the mean of its divisors is an integer number (1331016456).

Almost surely, 2^53134311636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53134311636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79860987360).

53134311636 is an abundant number, since it is smaller than the sum of its proper divisors (106587663084).

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

53134311636 is a wasteful number, since it uses less digits than its factorization.

53134311636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143915 (or 143904 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The spelling of 53134311636 in words is "fifty-three billion, one hundred thirty-four million, three hundred eleven thousand, six hundred thirty-six".