51773983232256 has 216 divisors, whose sum is σ = 154817523273504. Its totient is φ = 17256703242240.

The previous prime is 51773983232207. The next prime is 51773983232261. The reversal of 51773983232256 is 65223238937715.

51773983232256 is a `hidden beast` number, since 5 + 1 + 7 + 7 + 398 + 3 + 232 + 2 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 51773983232193 and 51773983232202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208493396 + ... + 1208536236.

Almost surely, 2^{51773983232256} 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 51773983232256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77408761636752).

51773983232256 is an abundant number, since it is smaller than the sum of its proper divisors (103043540041248).

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

51773983232256 is an equidigital number, since it uses as much as digits as its factorization.

51773983232256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62299 (or 62273 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 51773983232256 in words is "fifty-one trillion, seven hundred seventy-three billion, nine hundred eighty-three million, two hundred thirty-two thousand, two hundred fifty-six".