50638785 has 16 divisors (see below), whose sum is σ = 83816640. Its totient is φ = 26075840.

The previous prime is 50638741. The next prime is 50638793. The reversal of 50638785 is 58783605.

50638785 = T₄₄₀ + T₄₄₁ + ... + T₇₂₉.

It is not a de Polignac number, because 50638785 - 2¹¹ = 50636737 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, 57771 + ... + 58640.

It is an arithmetic number, because the mean of its divisors is an integer number (5238540).

Almost surely, 2^50638785 is an apocalyptic number.

It is an amenable number.

50638785 is a deficient number, since it is larger than the sum of its proper divisors (33177855).

50638785 is a wasteful number, since it uses less digits than its factorization.

50638785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116448.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 50638785 is about 7116.0933805003. The cubic root of 50638785 is about 369.9653851231.

The spelling of 50638785 in words is "fifty million, six hundred thirty-eight thousand, seven hundred eighty-five".