50509038390 has 32 divisors (see below), whose sum is σ = 121765303296. Its totient is φ = 13408675680.

The previous prime is 50509038361. The next prime is 50509038401. The reversal of 50509038390 is 9383090505.

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 15 ways as a sum of consecutive naturals, for example, 3768276 + ... + 3781655.

It is an arithmetic number, because the mean of its divisors is an integer number (3805165728).

Almost surely, 2^50509038390 is an apocalyptic number.

50509038390 is an abundant number, since it is smaller than the sum of its proper divisors (71256264906).

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

50509038390 is a wasteful number, since it uses less digits than its factorization.

50509038390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550164.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 50509038390 in words is "fifty billion, five hundred nine million, thirty-eight thousand, three hundred ninety".