50101000000 has 98 divisors (see below), whose sum is σ = 124274854574. Its totient is φ = 20040000000.

The previous prime is 50100999941. The next prime is 50101000007. The reversal of 50101000000 is 10105.

It can be written as a sum of positive squares in 7 ways, for example, as 47311470144 + 2789529856 = 217512^2 + 52816^2 .

It is a super-2 number, since 2×50101000000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50101000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 974950 + ... + 1025050.

Almost surely, 2^50101000000 is an apocalyptic number.

50101000000 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 50101000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62137427287).

50101000000 is an abundant number, since it is smaller than the sum of its proper divisors (74173854574).

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

50101000000 is an frugal number, since it uses more digits than its factorization.

50101000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50143 (or 50108 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

Adding to 50101000000 its reverse (10105), we get a palindrome (50101010105).

The spelling of 50101000000 in words is "fifty billion, one hundred one million", and thus it is an aban number.