50420054042 has 4 divisors (see below), whose sum is σ = 75630081066. Its totient is φ = 25210027020.

The previous prime is 50420054023. The next prime is 50420054053. The reversal of 50420054042 is 24045002405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46910794921 + 3509259121 = 216589^2 + 59239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605013509 + ... + 12605013512.

Almost surely, 2^50420054042 is an apocalyptic number.

50420054042 is a deficient number, since it is larger than the sum of its proper divisors (25210027024).

50420054042 is a wasteful number, since it uses less digits than its factorization.

50420054042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210027023.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 50420054042 its reverse (24045002405), we get a palindrome (74465056447).

The spelling of 50420054042 in words is "fifty billion, four hundred twenty million, fifty-four thousand, forty-two".