51000550105600 has 60 divisors (see below), whose sum is σ = 126357847336314. Its totient is φ = 20400220037120.

The previous prime is 51000550105481. The next prime is 51000550105627. The reversal of 51000550105600 is 650105500015.

It can be written as a sum of positive squares in 3 ways, for example, as 30440202045696 + 20560348059904 = 5517264^2 + 4534352^2 .

It is a super-2 number, since 2×51000550105600² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1992196189 + ... + 1992221788.

Almost surely, 2^{51000550105600} is an apocalyptic number.

51000550105600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51000550105600 is an abundant number, since it is smaller than the sum of its proper divisors (75357297230714).

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

51000550105600 is an equidigital number, since it uses as much as digits as its factorization.

51000550105600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984418005 (or 3984417984 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 51000550105600 its reverse (650105500015), we get a palindrome (51650655605615).

The spelling of 51000550105600 in words is "fifty-one trillion, five hundred fifty million, one hundred five thousand, six hundred".