50664870 has 24 divisors (see below), whose sum is σ = 131728896. Its totient is φ = 13510608.

The previous prime is 50664857. The next prime is 50664871. The reversal of 50664870 is 7846605.

It is a happy number.

50664870 is a `hidden beast` number, since 5 + 0 + 6 + 648 + 7 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50664871) 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 in 11 ways as a sum of consecutive naturals, for example, 281382 + ... + 281561.

It is an arithmetic number, because the mean of its divisors is an integer number (5488704).

Almost surely, 2^50664870 is an apocalyptic number.

50664870 is an abundant number, since it is smaller than the sum of its proper divisors (81064026).

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

50664870 is a wasteful number, since it uses less digits than its factorization.

50664870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562956 (or 562953 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 50664870 is about 7117.9259619639. The cubic root of 50664870 is about 370.0288996175.

The spelling of 50664870 in words is "fifty million, six hundred sixty-four thousand, eight hundred seventy".