50005049992 has 8 divisors (see below), whose sum is σ = 93759468750. Its totient is φ = 25002524992.

The previous prime is 50005049981. The next prime is 50005050023. The reversal of 50005049992 is 29994050005.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44704336356 + 5300713636 = 211434^2 + 72806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125315617 + ... + 3125315632.

Almost surely, 2^50005049992 is an apocalyptic number.

It is an amenable number.

50005049992 is a deficient number, since it is larger than the sum of its proper divisors (43754418758).

50005049992 is a wasteful number, since it uses less digits than its factorization.

50005049992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250631255 (or 6250631251 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

Adding to 50005049992 its reverse (29994050005), we get a palindrome (79999099997).

The spelling of 50005049992 in words is "fifty billion, five million, forty-nine thousand, nine hundred ninety-two".