51335512200 has 144 divisors (see below), whose sum is σ = 197030633280. Its totient is φ = 11733828480.

The previous prime is 51335512199. The next prime is 51335512223. The reversal of 51335512200 is 221553315.

It is a happy number.

51335512200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2024524 + ... + 2049723.

Almost surely, 2^51335512200 is an apocalyptic number.

51335512200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51335512200 is an abundant number, since it is smaller than the sum of its proper divisors (145695121080).

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

51335512200 is a wasteful number, since it uses less digits than its factorization.

51335512200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074276 (or 4074264 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 51335512200 in words is "fifty-one billion, three hundred thirty-five million, five hundred twelve thousand, two hundred".