50420332512 has 144 divisors (see below), whose sum is σ = 156661464960. Its totient is φ = 15255072000.

The previous prime is 50420332511. The next prime is 50420332517. The reversal of 50420332512 is 21523302405.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420332511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2075637 + ... + 2099787.

It is an arithmetic number, because the mean of its divisors is an integer number (1087926840).

Almost surely, 2^50420332512 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 50420332512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78330732480).

50420332512 is an abundant number, since it is smaller than the sum of its proper divisors (106241132448).

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

50420332512 is a wasteful number, since it uses less digits than its factorization.

50420332512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24837 (or 24826 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 50420332512 its reverse (21523302405), we get a palindrome (71943634917).

The spelling of 50420332512 in words is "fifty billion, four hundred twenty million, three hundred thirty-two thousand, five hundred twelve".