50520520042 has 12 divisors (see below), whose sum is σ = 78484020966. Its totient is φ = 24389215760.

The previous prime is 50520520021. The next prime is 50520520097. The reversal of 50520520042 is 24002502505.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30057503641 + 20463016401 = 173371^2 + 143049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50520519989 and 50520520016.

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 in 5 ways as a sum of consecutive naturals, for example, 15016309 + ... + 15019672.

Almost surely, 2^50520520042 is an apocalyptic number.

50520520042 is a deficient number, since it is larger than the sum of its proper divisors (27963500924).

50520520042 is a wasteful number, since it uses less digits than its factorization.

50520520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30036041 (or 30036012 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 50520520042 in words is "fifty billion, five hundred twenty million, five hundred twenty thousand, forty-two".