52611918336 has 280 divisors, whose sum is σ = 162729477504. Its totient is φ = 16967854080.

The previous prime is 52611918319. The next prime is 52611918377. The reversal of 52611918336 is 63381911625.

52611918336 is a `hidden beast` number, since 526 + 1 + 1 + 91 + 8 + 3 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52611918291 and 52611918300.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11568415 + ... + 11572961.

Almost surely, 2^52611918336 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 52611918336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81364738752).

52611918336 is an abundant number, since it is smaller than the sum of its proper divisors (110117559168).

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

52611918336 is an frugal number, since it uses more digits than its factorization.

52611918336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4583 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 52611918336 in words is "fifty-two billion, six hundred eleven million, nine hundred eighteen thousand, three hundred thirty-six".