50819358990 has 32 divisors (see below), whose sum is σ = 124267719456. Its totient is φ = 13296133760.

The previous prime is 50819358983. The next prime is 50819359049. The reversal of 50819358990 is 9985391805.

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 50819358990.

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, 15979341 + ... + 15982520.

It is an arithmetic number, because the mean of its divisors is an integer number (3883366233).

Almost surely, 2^50819358990 is an apocalyptic number.

50819358990 is an abundant number, since it is smaller than the sum of its proper divisors (73448360466).

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

50819358990 is a wasteful number, since it uses less digits than its factorization.

50819358990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31961924.

The product of its (nonzero) digits is 3499200, while the sum is 57.

The spelling of 50819358990 in words is "fifty billion, eight hundred nineteen million, three hundred fifty-eight thousand, nine hundred ninety".