50664136 has 8 divisors (see below), whose sum is σ = 94995270. Its totient is φ = 25332064.

The previous prime is 50664121. The next prime is 50664139. The reversal of 50664136 is 63146605.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 20304036 = 5510^2 + 4506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 50664098 and 50664107.

It is not an unprimeable number, because it can be changed into a prime (50664139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3166501 + ... + 3166516.

Almost surely, 2^50664136 is an apocalyptic number.

It is an amenable number.

50664136 is a deficient number, since it is larger than the sum of its proper divisors (44331134).

50664136 is a wasteful number, since it uses less digits than its factorization.

50664136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333023 (or 6333019 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 50664136 is about 7117.8744018141. The cubic root of 50664136 is about 370.0271126954.

The spelling of 50664136 in words is "fifty million, six hundred sixty-four thousand, one hundred thirty-six".