53138598912 has 704 divisors, whose sum is σ = 196952186880. Its totient is φ = 13801881600.

The previous prime is 53138598871. The next prime is 53138598917. The reversal of 53138598912 is 21989583135.

53138598912 is a `hidden beast` number, since 5 + 3 + 1 + 38 + 598 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (53138598917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101993212 + ... + 101993732.

Almost surely, 2^53138598912 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 53138598912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98476093440).

53138598912 is an abundant number, since it is smaller than the sum of its proper divisors (143813587968).

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

53138598912 is a wasteful number, since it uses less digits than its factorization.

53138598912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 581 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The spelling of 53138598912 in words is "fifty-three billion, one hundred thirty-eight million, five hundred ninety-eight thousand, nine hundred twelve".