51550500514000 has 80 divisors (see below), whose sum is σ = 128947355568720. Its totient is φ = 19909158796800.

The previous prime is 51550500513893. The next prime is 51550500514081. The reversal of 51550500514000 is 41500505515.

It can be written as a sum of positive squares in 8 ways, for example, as 27537599626384 + 24012900887616 = 5247628^2 + 4900296^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444342867 + ... + 444458866.

It is an arithmetic number, because the mean of its divisors is an integer number (1611841944609).

Almost surely, 2^{51550500514000} is an apocalyptic number.

51550500514000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51550500514000 is an abundant number, since it is smaller than the sum of its proper divisors (77396855054720).

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

51550500514000 is a wasteful number, since it uses less digits than its factorization.

51550500514000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888801785 (or 888801769 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 51550500514000 in words is "fifty-one trillion, five hundred fifty billion, five hundred million, five hundred fourteen thousand".