50055505505000 has 80 divisors (see below), whose sum is σ = 117292509835380. Its totient is φ = 20020074944000.

The previous prime is 50055505504997. The next prime is 50055505505011. The reversal of 50055505505000 is 50550555005.

It can be written as a sum of positive squares in 10 ways, for example, as 13942352730916 + 36113152774084 = 3733946^2 + 6009422^2 .

It is a super-2 number, since 2×50055505505000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46957934 + ... + 48012066.

Almost surely, 2^{50055505505000} is an apocalyptic number.

50055505505000 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 50055505505000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58646254917690).

50055505505000 is an abundant number, since it is smaller than the sum of its proper divisors (67237004330380).

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

50055505505000 is a wasteful number, since it uses less digits than its factorization.

50055505505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063656 (or 1063637 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50055505505000 in words is "fifty trillion, fifty-five billion, five hundred five million, five hundred five thousand".