50550061000 has 128 divisors (see below), whose sum is σ = 125392082400. Its totient is φ = 19008307200.

The previous prime is 50550060989. The next prime is 50550061007. The reversal of 50550061000 is 16005505.

It can be written as a sum of positive squares in 16 ways, for example, as 12953626596 + 37596434404 = 113814^2 + 193898^2 .

It is not an unprimeable number, because it can be changed into a prime (50550061007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25312002 + ... + 25313998.

Almost surely, 2^50550061000 is an apocalyptic number.

50550061000 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 50550061000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62696041200).

50550061000 is an abundant number, since it is smaller than the sum of its proper divisors (74842021400).

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

50550061000 is a wasteful number, since it uses less digits than its factorization.

50550061000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 50550061000 its reverse (16005505), we get a palindrome (50566066505).

The spelling of 50550061000 in words is "fifty billion, five hundred fifty million, sixty-one thousand".