52197716736 has 180 divisors, whose sum is σ = 169794356424. Its totient is φ = 15817420800.

The previous prime is 52197716677. The next prime is 52197716741. The reversal of 52197716736 is 63761779125.

52197716736 is a `hidden beast` number, since 521 + 9 + 77 + 16 + 7 + 36 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113676 + ... + 342516.

Almost surely, 2^52197716736 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 52197716736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84897178212).

52197716736 is an abundant number, since it is smaller than the sum of its proper divisors (117596639688).

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

52197716736 is a wasteful number, since it uses less digits than its factorization.

52197716736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228880 (or 228857 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The spelling of 52197716736 in words is "fifty-two billion, one hundred ninety-seven million, seven hundred sixteen thousand, seven hundred thirty-six".