52551680694912 has 768 divisors, whose sum is σ = 189122824598400. Its totient is φ = 14307806822400.

The previous prime is 52551680694907. The next prime is 52551680694943. The reversal of 52551680694912 is 21949608615525.

52551680694912 is a `hidden beast` number, since 5 + 2 + 5 + 5 + 1 + 6 + 80 + 69 + 491 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 52551680694912.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 298465462 + ... + 298641482.

Almost surely, 2^{52551680694912} 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 52551680694912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94561412299200).

52551680694912 is an abundant number, since it is smaller than the sum of its proper divisors (136571143903488).

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

52551680694912 is a wasteful number, since it uses less digits than its factorization.

52551680694912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176142 (or 176117 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 63.

The spelling of 52551680694912 in words is "fifty-two trillion, five hundred fifty-one billion, six hundred eighty million, six hundred ninety-four thousand, nine hundred twelve".