50650664 has 8 divisors (see below), whose sum is σ = 94970010. Its totient is φ = 25325328.

The previous prime is 50650661. The next prime is 50650687. The reversal of 50650664 is 46605605.

It can be written as a sum of positive squares in only one way, i.e., 49589764 + 1060900 = 7042^2 + 1030^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 50650664.

It is not an unprimeable number, because it can be changed into a prime (50650661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165659 + ... + 3165674.

Almost surely, 2^50650664 is an apocalyptic number.

It is an amenable number.

50650664 is a deficient number, since it is larger than the sum of its proper divisors (44319346).

50650664 is a wasteful number, since it uses less digits than its factorization.

50650664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331339 (or 6331335 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 50650664 is about 7116.9279889570. The cubic root of 50650664 is about 369.9943120625.

The spelling of 50650664 in words is "fifty million, six hundred fifty thousand, six hundred sixty-four".