50817686976 has 252 divisors, whose sum is σ = 175695906672. Its totient is φ = 13754769408.

The previous prime is 50817686971. The next prime is 50817686977. The reversal of 50817686976 is 67968671805.

50817686976 is a `hidden beast` number, since 508 + 1 + 7 + 68 + 69 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50817686971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1438096 + ... + 1473008.

Almost surely, 2^50817686976 is an apocalyptic number.

50817686976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50817686976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87847953336).

50817686976 is an abundant number, since it is smaller than the sum of its proper divisors (124878219696).

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

50817686976 is a wasteful number, since it uses less digits than its factorization.

50817686976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34976 (or 34944 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 50817686976 in words is "fifty billion, eight hundred seventeen million, six hundred eighty-six thousand, nine hundred seventy-six".