50986154496 has 80 divisors (see below), whose sum is σ = 135913783104. Its totient is φ = 16984940544.

The previous prime is 50986154477. The next prime is 50986154507. The reversal of 50986154496 is 69445168905.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2729380 + ... + 2747996.

Almost surely, 2^50986154496 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 50986154496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67956891552).

50986154496 is an abundant number, since it is smaller than the sum of its proper divisors (84927628608).

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

50986154496 is a wasteful number, since it uses less digits than its factorization.

50986154496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20421 (or 20405 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 50986154496 in words is "fifty billion, nine hundred eighty-six million, one hundred fifty-four thousand, four hundred ninety-six".