50505061000 has 128 divisors (see below), whose sum is σ = 119364710400. Its totient is φ = 20000908800.

The previous prime is 50505060971. The next prime is 50505061001. The reversal of 50505061000 is 16050505.

It is a super-2 number, since 2×50505061000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50505061001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62428596 + ... + 62429404.

It is an arithmetic number, because the mean of its divisors is an integer number (932536800).

Almost surely, 2^50505061000 is an apocalyptic number.

50505061000 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 50505061000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59682355200).

50505061000 is an abundant number, since it is smaller than the sum of its proper divisors (68859649400).

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

50505061000 is a wasteful number, since it uses less digits than its factorization.

50505061000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 50505061000 in words is "fifty billion, five hundred five million, sixty-one thousand".