53068871538 has 48 divisors (see below), whose sum is σ = 121297176000. Its totient is φ = 16722188640.

The previous prime is 53068871533. The next prime is 53068871591. The reversal of 53068871538 is 83517886035.

53068871538 is a `hidden beast` number, since 5 + 30 + 6 + 8 + 8 + 71 + 538 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53068871533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10638 + ... + 325961.

It is an arithmetic number, because the mean of its divisors is an integer number (2527024500).

Almost surely, 2^53068871538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53068871538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60648588000).

53068871538 is an abundant number, since it is smaller than the sum of its proper divisors (68228304462).

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

53068871538 is a wasteful number, since it uses less digits than its factorization.

53068871538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337087 (or 337084 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 53068871538 in words is "fifty-three billion, sixty-eight million, eight hundred seventy-one thousand, five hundred thirty-eight".