50055506550 has 576 divisors, whose sum is σ = 168317352000. Its totient is φ = 10892206080.

The previous prime is 50055506539. The next prime is 50055506561. The reversal of 50055506550 is 5560555005.

50055506550 is a `hidden beast` number, since 5 + 0 + 0 + 55 + 50 + 6 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (50055506539) and next prime (50055506561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 186079816 + ... + 186080084.

It is an arithmetic number, because the mean of its divisors is an integer number (292217625).

Almost surely, 2^50055506550 is an apocalyptic number.

50055506550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50055506550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84158676000).

50055506550 is an abundant number, since it is smaller than the sum of its proper divisors (118261845450).

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

50055506550 is a wasteful number, since it uses less digits than its factorization.

50055506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 50055506550 in words is "fifty billion, fifty-five million, five hundred six thousand, five hundred fifty".