50187121050 has 96 divisors (see below), whose sum is σ = 138936821760. Its totient is φ = 11883614400.

The previous prime is 50187121021. The next prime is 50187121051. The reversal of 50187121050 is 5012178105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50187120999 and 50187121017.

It is not an unprimeable number, because it can be changed into a prime (50187121051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282730 + ... + 424629.

It is an arithmetic number, because the mean of its divisors is an integer number (1447258560).

Almost surely, 2^50187121050 is an apocalyptic number.

50187121050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50187121050 is an abundant number, since it is smaller than the sum of its proper divisors (88749700710).

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

50187121050 is a wasteful number, since it uses less digits than its factorization.

50187121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707428 (or 707423 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 30.

Adding to 50187121050 its reverse (5012178105), we get a palindrome (55199299155).

The spelling of 50187121050 in words is "fifty billion, one hundred eighty-seven million, one hundred twenty-one thousand, fifty".