50055500992 has 56 divisors (see below), whose sum is σ = 113796693920. Its totient is φ = 21399828480.

The previous prime is 50055500983. The next prime is 50055501043. The reversal of 50055500992 is 29900555005.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×50055500992² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46642 + ... + 319822.

It is an arithmetic number, because the mean of its divisors is an integer number (2032083820).

Almost surely, 2^50055500992 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 50055500992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56898346960).

50055500992 is an abundant number, since it is smaller than the sum of its proper divisors (63741192928).

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

50055500992 is a wasteful number, since it uses less digits than its factorization.

50055500992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273609 (or 273599 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 40.

The spelling of 50055500992 in words is "fifty billion, fifty-five million, five hundred thousand, nine hundred ninety-two".