51422115200 has 96 divisors (see below), whose sum is σ = 127114233960. Its totient is φ = 20554997760.

The previous prime is 51422115191. The next prime is 51422115307. The reversal of 51422115200 is 251122415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5681879 + ... + 5690921.

Almost surely, 2^51422115200 is an apocalyptic number.

51422115200 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 51422115200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63557116980).

51422115200 is an abundant number, since it is smaller than the sum of its proper divisors (75692118760).

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

51422115200 is a wasteful number, since it uses less digits than its factorization.

51422115200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844 (or 10827 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 51422115200 its reverse (251122415), we get a palindrome (51673237615).

The spelling of 51422115200 in words is "fifty-one billion, four hundred twenty-two million, one hundred fifteen thousand, two hundred".