50213012550 has 48 divisors (see below), whose sum is σ = 124545077712. Its totient is φ = 13388329600.

The previous prime is 50213012453. The next prime is 50213012581. The reversal of 50213012550 is 5521031205.

It is a happy number.

50213012550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50213012550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383232 + ... + 1419068.

It is an arithmetic number, because the mean of its divisors is an integer number (2594689119).

Almost surely, 2^50213012550 is an apocalyptic number.

50213012550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50213012550 is an abundant number, since it is smaller than the sum of its proper divisors (74332065162).

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

50213012550 is a wasteful number, since it uses less digits than its factorization.

50213012550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45193 (or 45188 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 50213012550 its reverse (5521031205), we get a palindrome (55734043755).

The spelling of 50213012550 in words is "fifty billion, two hundred thirteen million, twelve thousand, five hundred fifty".