50136540436 has 12 divisors (see below), whose sum is σ = 90569234560. Its totient is φ = 24259616280.

The previous prime is 50136540431. The next prime is 50136540469. The reversal of 50136540436 is 63404563105.

It is a junction number, because it is equal to n+sod(n) for n = 50136540395 and 50136540404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50136540431) 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 3 ways as a sum of consecutive naturals, for example, 202163346 + ... + 202163593.

Almost surely, 2^50136540436 is an apocalyptic number.

It is an amenable number.

50136540436 is a deficient number, since it is larger than the sum of its proper divisors (40432694124).

50136540436 is a wasteful number, since it uses less digits than its factorization.

50136540436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404326974 (or 404326972 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 50136540436 in words is "fifty billion, one hundred thirty-six million, five hundred forty thousand, four hundred thirty-six".