50511050100 has 216 divisors, whose sum is σ = 181393459520. Its totient is φ = 11516567040.

The previous prime is 50511050077. The next prime is 50511050101. The reversal of 50511050100 is 105011505.

50511050100 is a `hidden beast` number, since 5 + 0 + 511 + 0 + 50 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511050101) 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 71 ways as a sum of consecutive naturals, for example, 2566899 + ... + 2586501.

Almost surely, 2^50511050100 is an apocalyptic number.

50511050100 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 50511050100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90696729760).

50511050100 is an abundant number, since it is smaller than the sum of its proper divisors (130882409420).

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

50511050100 is a wasteful number, since it uses less digits than its factorization.

50511050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20039 (or 20029 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 50511050100 its reverse (105011505), we get a palindrome (50616061605).

The spelling of 50511050100 in words is "fifty billion, five hundred eleven million, fifty thousand, one hundred".