50688644 has 6 divisors (see below), whose sum is σ = 88705134. Its totient is φ = 25344320.

The previous prime is 50688641. The next prime is 50688661. The reversal of 50688644 is 44688605.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 448900 = 7088^2 + 670^2 .

It is not an unprimeable number, because it can be changed into a prime (50688641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336077 + ... + 6336084.

It is an arithmetic number, because the mean of its divisors is an integer number (14784189).

Almost surely, 2^50688644 is an apocalyptic number.

It is an amenable number.

50688644 is a deficient number, since it is larger than the sum of its proper divisors (38016490).

50688644 is a wasteful number, since it uses less digits than its factorization.

50688644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672165 (or 12672163 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 50688644 is about 7119.5957750423. The cubic root of 50688644 is about 370.0867680606.

The spelling of 50688644 in words is "fifty million, six hundred eighty-eight thousand, six hundred forty-four".