50666838 has 32 divisors (see below), whose sum is σ = 108608256. Its totient is φ = 15716448.

The previous prime is 50666831. The next prime is 50666839. The reversal of 50666838 is 83866605.

It is a self number, because there is not a number n which added to its sum of digits gives 50666838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50666831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145 + ... + 10067.

It is an arithmetic number, because the mean of its divisors is an integer number (3394008).

Almost surely, 2^50666838 is an apocalyptic number.

50666838 is an abundant number, since it is smaller than the sum of its proper divisors (57941418).

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

50666838 is a wasteful number, since it uses less digits than its factorization.

50666838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 50666838 is about 7118.0642031384. The cubic root of 50666838 is about 370.0336906259.

The spelling of 50666838 in words is "fifty million, six hundred sixty-six thousand, eight hundred thirty-eight".