50005555055488 has 128 divisors (see below), whose sum is σ = 105491529360000. Its totient is φ = 23572381335552.

The previous prime is 50005555055461. The next prime is 50005555055591. The reversal of 50005555055488 is 88455055550005.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 75211938 + ... + 75873886.

It is an arithmetic number, because the mean of its divisors is an integer number (824152573125).

Almost surely, 2^{50005555055488} is an apocalyptic number.

50005555055488 is a gapful number since it is divisible by the number (58) 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 50005555055488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52745764680000).

50005555055488 is an abundant number, since it is smaller than the sum of its proper divisors (55485974304512).

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

50005555055488 is a wasteful number, since it uses less digits than its factorization.

50005555055488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662472 (or 662460 counting only the distinct ones).

The product of its (nonzero) digits is 20000000, while the sum is 55.

The spelling of 50005555055488 in words is "fifty trillion, five billion, five hundred fifty-five million, fifty-five thousand, four hundred eighty-eight".