50420213532 has 120 divisors (see below), whose sum is σ = 142257010896. Its totient is φ = 15480087552.

The previous prime is 50420213527. The next prime is 50420213539. The reversal of 50420213532 is 23531202405.

It is a happy number.

50420213532 is a `hidden beast` number, since 504 + 20 + 2 + 135 + 3 + 2 = 666.

It is a super-2 number, since 2×50420213532² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50420213496 and 50420213505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420213539) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1954188 + ... + 1979820.

Almost surely, 2^50420213532 is an apocalyptic number.

50420213532 is a gapful number since it is divisible by the number (52) 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 50420213532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71128505448).

50420213532 is an abundant number, since it is smaller than the sum of its proper divisors (91836797364).

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

50420213532 is a wasteful number, since it uses less digits than its factorization.

50420213532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26129 (or 26118 counting only the distinct ones).

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

Adding to 50420213532 its reverse (23531202405), we get a palindrome (73951415937).

The spelling of 50420213532 in words is "fifty billion, four hundred twenty million, two hundred thirteen thousand, five hundred thirty-two".