501688700050 has 12 divisors (see below), whose sum is σ = 933140982186. Its totient is φ = 200675480000.

The previous prime is 501688700003. The next prime is 501688700057. The reversal of 501688700050 is 50007886105.

It can be written as a sum of positive squares in 3 ways, for example, as 416635393729 + 85053306321 = 645473^2 + 291639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 501688699976 and 501688700012.

It is not an unprimeable number, because it can be changed into a prime (501688700057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5016886951 + ... + 5016887050.

Almost surely, 2^501688700050 is an apocalyptic number.

501688700050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501688700050 is a deficient number, since it is larger than the sum of its proper divisors (431452282136).

501688700050 is a wasteful number, since it uses less digits than its factorization.

501688700050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033774013 (or 10033774008 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 501688700050 in words is "five hundred one billion, six hundred eighty-eight million, seven hundred thousand, fifty".