51534340200 has 288 divisors, whose sum is σ = 199719062400. Its totient is φ = 11664622080.

The previous prime is 51534340183. The next prime is 51534340213. The reversal of 51534340200 is 204343515.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1277946 + ... + 1317654.

Almost surely, 2^51534340200 is an apocalyptic number.

51534340200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51534340200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99859531200).

51534340200 is an abundant number, since it is smaller than the sum of its proper divisors (148184722200).

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

51534340200 is a wasteful number, since it uses less digits than its factorization.

51534340200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39841 (or 39829 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 51534340200 its reverse (204343515), we get a palindrome (51738683715).

The spelling of 51534340200 in words is "fifty-one billion, five hundred thirty-four million, three hundred forty thousand, two hundred".