50420203542 has 128 divisors (see below), whose sum is σ = 121756763520. Its totient is φ = 15403438080.

The previous prime is 50420203507. The next prime is 50420203567. The reversal of 50420203542 is 24530202405.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29093308 + ... + 29095040.

It is an arithmetic number, because the mean of its divisors is an integer number (951224715).

Almost surely, 2^50420203542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50420203542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60878381760).

50420203542 is an abundant number, since it is smaller than the sum of its proper divisors (71336559978).

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

50420203542 is a wasteful number, since it uses less digits than its factorization.

50420203542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 50420203542 its reverse (24530202405), we get a palindrome (74950405947).

The spelling of 50420203542 in words is "fifty billion, four hundred twenty million, two hundred three thousand, five hundred forty-two".