50500005555540 has 192 divisors, whose sum is σ = 143284694999040. Its totient is φ = 13288491417600.

The previous prime is 50500005555539. The next prime is 50500005555563. The reversal of 50500005555540 is 4555550000505.

It is a super-2 number, since 2×50500005555540² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1231897284 + ... + 1231938276.

It is an arithmetic number, because the mean of its divisors is an integer number (746274453120).

Almost surely, 2^{50500005555540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50500005555540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71642347499520).

50500005555540 is an abundant number, since it is smaller than the sum of its proper divisors (92784689443500).

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

50500005555540 is a wasteful number, since it uses less digits than its factorization.

50500005555540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42002 (or 42000 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 50500005555540 in words is "fifty trillion, five hundred billion, five million, five hundred fifty-five thousand, five hundred forty".