50390791950 has 24 divisors (see below), whose sum is σ = 124969164408. Its totient is φ = 13437544480.

The previous prime is 50390791939. The next prime is 50390791963. The reversal of 50390791950 is 5919709305.

It is a self number, because there is not a number n which added to its sum of digits gives 50390791950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167969157 + ... + 167969456.

It is an arithmetic number, because the mean of its divisors is an integer number (5207048517).

Almost surely, 2^50390791950 is an apocalyptic number.

50390791950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50390791950 is an abundant number, since it is smaller than the sum of its proper divisors (74578372458).

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

50390791950 is a wasteful number, since it uses less digits than its factorization.

50390791950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335938628 (or 335938623 counting only the distinct ones).

The product of its (nonzero) digits is 382725, while the sum is 48.

The spelling of 50390791950 in words is "fifty billion, three hundred ninety million, seven hundred ninety-one thousand, nine hundred fifty".