50661420200 has 96 divisors (see below), whose sum is σ = 121061596800. Its totient is φ = 19709015040.

The previous prime is 50661420193. The next prime is 50661420221. The reversal of 50661420200 is 202416605.

It is a self number, because there is not a number n which added to its sum of digits gives 50661420200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034672 + ... + 1082528.

It is an arithmetic number, because the mean of its divisors is an integer number (1261058300).

Almost surely, 2^50661420200 is an apocalyptic number.

50661420200 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 50661420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60530798400).

50661420200 is an abundant number, since it is smaller than the sum of its proper divisors (70400176600).

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

50661420200 is a wasteful number, since it uses less digits than its factorization.

50661420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48019 (or 48010 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 50661420200 its reverse (202416605), we get a palindrome (50863836805).

The spelling of 50661420200 in words is "fifty billion, six hundred sixty-one million, four hundred twenty thousand, two hundred".