50501010000 has 400 divisors, whose sum is σ = 188236844928. Its totient is φ = 11424000000.

The previous prime is 50501009987. The next prime is 50501010017. The reversal of 50501010000 is 1010505.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×50501010000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21208810 + ... + 21211190.

Almost surely, 2^50501010000 is an apocalyptic number.

50501010000 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 50501010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94118422464).

50501010000 is an abundant number, since it is smaller than the sum of its proper divisors (137735834928).

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

50501010000 is a wasteful number, since it uses less digits than its factorization.

50501010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

Adding to 50501010000 its reverse (1010505), we get a palindrome (50502020505).

The spelling of 50501010000 in words is "fifty billion, five hundred one million, ten thousand".