50556338136 has 64 divisors (see below), whose sum is σ = 141037135200. Its totient is φ = 16779769344.

The previous prime is 50556338117. The next prime is 50556338141. The reversal of 50556338136 is 63183365505.

It is a happy number.

50556338136 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 633 + 8 + 1 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50556338091 and 50556338100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451941 + ... + 552596.

Almost surely, 2^50556338136 is an apocalyptic number.

It is an amenable number.

50556338136 is an abundant number, since it is smaller than the sum of its proper divisors (90480797064).

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

50556338136 is a wasteful number, since it uses less digits than its factorization.

50556338136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004785 (or 1004775 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 50556338136 in words is "fifty billion, five hundred fifty-six million, three hundred thirty-eight thousand, one hundred thirty-six".