51200116 has 24 divisors (see below), whose sum is σ = 101997504. Its totient is φ = 22260480.

The previous prime is 51200111. The next prime is 51200129. The reversal of 51200116 is 61100215.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51200116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51200111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24285 + ... + 26308.

It is an arithmetic number, because the mean of its divisors is an integer number (4249896).

Almost surely, 2^51200116 is an apocalyptic number.

It is an amenable number.

51200116 is a deficient number, since it is larger than the sum of its proper divisors (50797388).

51200116 is a wasteful number, since it uses less digits than its factorization.

51200116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50631 (or 50629 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 51200116 is about 7155.4256337412. The cubic root of 51200116 is about 371.3273871181.

Subtracting 51200116 from its reverse (61100215), we obtain a palindrome (9900099).

The spelling of 51200116 in words is "fifty-one million, two hundred thousand, one hundred sixteen".