51010050 has 192 divisors, whose sum is σ = 161489664. Its totient is φ = 10368000.

The previous prime is 51010033. The next prime is 51010051. The reversal of 51010050 is 5001015.

51010050 is a nontrivial binomial coefficient, being equal to C(10101, 2).

It is not an unprimeable number, because it can be changed into a prime (51010051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 505000 + ... + 505100.

It is an arithmetic number, because the mean of its divisors is an integer number (841092).

Almost surely, 2^51010050 is an apocalyptic number.

51010050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51010050 is the 10100-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51010050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80744832).

51010050 is an abundant number, since it is smaller than the sum of its proper divisors (110479614).

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

51010050 is a wasteful number, since it uses less digits than its factorization.

51010050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 51010050 is about 7142.1320346238. The cubic root of 51010050 is about 370.8673346203.

51010050 divided by its product of nonzero digits (25) gives a palindrome (2040402).

Adding to 51010050 its reverse (5001015), we get a palindrome (56011065).

The spelling of 51010050 in words is "fifty-one million, ten thousand, fifty".