51333406200 has 72 divisors (see below), whose sum is σ = 172394695200. Its totient is φ = 13688907840.

The previous prime is 51333406183. The next prime is 51333406207. The reversal of 51333406200 is 260433315.

It is a happy number.

51333406200 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 34 + 0 + 620 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333406207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14257480 + ... + 14261079.

Almost surely, 2^51333406200 is an apocalyptic number.

51333406200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51333406200 is an abundant number, since it is smaller than the sum of its proper divisors (121061289000).

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

51333406200 is a wasteful number, since it uses less digits than its factorization.

51333406200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518581 (or 28518569 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 51333406200 its reverse (260433315), we get a palindrome (51593839515).

The spelling of 51333406200 in words is "fifty-one billion, three hundred thirty-three million, four hundred six thousand, two hundred".