50550011442 has 256 divisors, whose sum is σ = 137456640000. Its totient is φ = 13450364928.

The previous prime is 50550011437. The next prime is 50550011443. The reversal of 50550011442 is 24411005505.

50550011442 is a `hidden beast` number, since 5 + 0 + 5 + 500 + 114 + 42 = 666.

50550011442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (50550011443) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 161501478 + ... + 161501790.

It is an arithmetic number, because the mean of its divisors is an integer number (536940000).

Almost surely, 2^50550011442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50550011442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68728320000).

50550011442 is an abundant number, since it is smaller than the sum of its proper divisors (86906628558).

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

50550011442 is a wasteful number, since it uses less digits than its factorization.

50550011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 50550011442 its reverse (24411005505), we get a palindrome (74961016947).

The spelling of 50550011442 in words is "fifty billion, five hundred fifty million, eleven thousand, four hundred forty-two".