50263000138 has 12 divisors (see below), whose sum is σ = 81640198998. Its totient is φ = 23198307600.

The previous prime is 50263000133. The next prime is 50263000217. The reversal of 50263000138 is 83100036205.

It can be written as a sum of positive squares in 3 ways, for example, as 17680223089 + 32582777049 = 132967^2 + 180507^2 .

It is not an unprimeable number, because it can be changed into a prime (50263000133) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 74353213 + ... + 74353888.

Almost surely, 2^50263000138 is an apocalyptic number.

50263000138 is a deficient number, since it is larger than the sum of its proper divisors (31377198860).

50263000138 is a wasteful number, since it uses less digits than its factorization.

50263000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148707129 (or 148707116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 50263000138 in words is "fifty billion, two hundred sixty-three million, one hundred thirty-eight", and thus it is an aban number.