50163638 has 32 divisors (see below), whose sum is σ = 89204544. Its totient is φ = 20708352.

The previous prime is 50163613. The next prime is 50163691. The reversal of 50163638 is 83636105.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58106 + ... + 58962.

It is an arithmetic number, because the mean of its divisors is an integer number (2787642).

Almost surely, 2^50163638 is an apocalyptic number.

50163638 is a deficient number, since it is larger than the sum of its proper divisors (39040906).

50163638 is a wasteful number, since it uses less digits than its factorization.

50163638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50163638 is about 7082.6293140330. The cubic root of 50163638 is about 368.8046105848.

The spelling of 50163638 in words is "fifty million, one hundred sixty-three thousand, six hundred thirty-eight".