51016650 has 24 divisors (see below), whose sum is σ = 126521664. Its totient is φ = 13604400.

The previous prime is 51016649. The next prime is 51016733. The reversal of 51016650 is 5661015.

51016650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51016650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169906 + ... + 170205.

It is an arithmetic number, because the mean of its divisors is an integer number (5271736).

Almost surely, 2^51016650 is an apocalyptic number.

51016650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51016650 is an abundant number, since it is smaller than the sum of its proper divisors (75505014).

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

51016650 is a wasteful number, since it uses less digits than its factorization.

51016650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340126 (or 340121 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51016650 is about 7142.5940665839. The cubic root of 51016650 is about 370.8833289773.

Adding to 51016650 its reverse (5661015), we get a palindrome (56677665).

The spelling of 51016650 in words is "fifty-one million, sixteen thousand, six hundred fifty".