50005091136 has 1008 divisors, whose sum is σ = 189784573440. Its totient is φ = 11496038400.

The previous prime is 50005091107. The next prime is 50005091153. The reversal of 50005091136 is 63119050005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 458762250 + ... + 458762358.

Almost surely, 2^50005091136 is an apocalyptic number.

50005091136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50005091136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94892286720).

50005091136 is an abundant number, since it is smaller than the sum of its proper divisors (139779482304).

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

50005091136 is a wasteful number, since it uses less digits than its factorization.

50005091136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The spelling of 50005091136 in words is "fifty billion, five million, ninety-one thousand, one hundred thirty-six".