50121785 has 16 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 34264896.

The previous prime is 50121769. The next prime is 50121793. The reversal of 50121785 is 58712105.

It is a cyclic number.

It is not a de Polignac number, because 50121785 - 2⁴ = 50121769 is a prime.

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, 10571 + ... + 14559.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^50121785 is an apocalyptic number.

It is an amenable number.

50121785 is a deficient number, since it is larger than the sum of its proper divisors (18825415).

50121785 is a wasteful number, since it uses less digits than its factorization.

50121785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 50121785 is about 7079.6740744190. The cubic root of 50121785 is about 368.7020138649.

The spelling of 50121785 in words is "fifty million, one hundred twenty-one thousand, seven hundred eighty-five".