50550531500 has 288 divisors, whose sum is σ = 131758099200. Its totient is φ = 16889241600.

The previous prime is 50550531467. The next prime is 50550531503. The reversal of 50550531500 is 513505505.

It is not an unprimeable number, because it can be changed into a prime (50550531503) 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 95 ways as a sum of consecutive naturals, for example, 211508381 + ... + 211508619.

It is an arithmetic number, because the mean of its divisors is an integer number (457493400).

Almost surely, 2^50550531500 is an apocalyptic number.

50550531500 is a gapful number since it is divisible by the number (50) 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 50550531500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65879049600).

50550531500 is an abundant number, since it is smaller than the sum of its proper divisors (81207567700).

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

50550531500 is a wasteful number, since it uses less digits than its factorization.

50550531500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 29.

The spelling of 50550531500 in words is "fifty billion, five hundred fifty million, five hundred thirty-one thousand, five hundred".