52201217736 has 96 divisors (see below), whose sum is σ = 143026884000. Its totient is φ = 17198254080.

The previous prime is 52201217693. The next prime is 52201217741. The reversal of 52201217736 is 63771210225.

52201217736 is a `hidden beast` number, since 522 + 0 + 121 + 7 + 7 + 3 + 6 = 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 52201217736.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3451551 + ... + 3466641.

It is an arithmetic number, because the mean of its divisors is an integer number (1489863375).

Almost surely, 2^52201217736 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 52201217736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71513442000).

52201217736 is an abundant number, since it is smaller than the sum of its proper divisors (90825666264).

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

52201217736 is a wasteful number, since it uses less digits than its factorization.

52201217736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15659 (or 15652 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 52201217736 in words is "fifty-two billion, two hundred one million, two hundred seventeen thousand, seven hundred thirty-six".