50685630912 has 504 divisors, whose sum is σ = 174594121728. Its totient is φ = 13769118720.

The previous prime is 50685630901. The next prime is 50685630923. The reversal of 50685630912 is 21903658605.

50685630912 is a `hidden beast` number, since 5 + 0 + 6 + 8 + 5 + 630 + 9 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (50685630901) and next prime (50685630923).

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 399099393 + ... + 399099519.

Almost surely, 2^50685630912 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 50685630912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87297060864).

50685630912 is an abundant number, since it is smaller than the sum of its proper divisors (123908490816).

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

50685630912 is a wasteful number, since it uses less digits than its factorization.

50685630912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 50685630912 in words is "fifty billion, six hundred eighty-five million, six hundred thirty thousand, nine hundred twelve".