50390305 has 16 divisors (see below), whose sum is σ = 69419520. Its totient is φ = 34396992.

The previous prime is 50390293. The next prime is 50390311. The reversal of 50390305 is 50309305.

It is not a de Polignac number, because 50390305 - 2⁵ = 50390273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50390305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (4338720).

Almost surely, 2^50390305 is an apocalyptic number.

It is an amenable number.

50390305 is a deficient number, since it is larger than the sum of its proper divisors (19029215).

50390305 is a wasteful number, since it uses less digits than its factorization.

50390305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 50390305 is about 7098.6128926714. The cubic root of 50390305 is about 369.3592635991.

The spelling of 50390305 in words is "fifty million, three hundred ninety thousand, three hundred five".