51555222030200 has 96 divisors (see below), whose sum is σ = 137268592997760. Its totient is φ = 17640075734400.

The previous prime is 51555222030167. The next prime is 51555222030203. The reversal of 51555222030200 is 203022255515.

51555222030200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51555222030200³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51555222030203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36812762 + ... + 38187561.

It is an arithmetic number, because the mean of its divisors is an integer number (1429881177060).

Almost surely, 2^{51555222030200} is an apocalyptic number.

51555222030200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51555222030200 is an abundant number, since it is smaller than the sum of its proper divisors (85713370967560).

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

51555222030200 is a wasteful number, since it uses less digits than its factorization.

51555222030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75000837 (or 75000828 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 51555222030200 its reverse (203022255515), we get a palindrome (51758244285715).

The spelling of 51555222030200 in words is "fifty-one trillion, five hundred fifty-five billion, two hundred twenty-two million, thirty thousand, two hundred".