50902149168 has 320 divisors, whose sum is σ = 159764774400. Its totient is φ = 15423851520.

The previous prime is 50902149131. The next prime is 50902149187. The reversal of 50902149168 is 86194120905.

50902149168 is a `hidden beast` number, since 50 + 90 + 21 + 491 + 6 + 8 = 666.

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 63 ways as a sum of consecutive naturals, for example, 153782763 + ... + 153783093.

It is an arithmetic number, because the mean of its divisors is an integer number (499264920).

Almost surely, 2^50902149168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50902149168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79882387200).

50902149168 is an abundant number, since it is smaller than the sum of its proper divisors (108862625232).

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

50902149168 is a wasteful number, since it uses less digits than its factorization.

50902149168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 50902149168 in words is "fifty billion, nine hundred two million, one hundred forty-nine thousand, one hundred sixty-eight".