50667618 has 16 divisors (see below), whose sum is σ = 102233376. Its totient is φ = 16739520.

The previous prime is 50667581. The next prime is 50667619. The reversal of 50667618 is 81676605.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50667619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36688 + ... + 38043.

It is an arithmetic number, because the mean of its divisors is an integer number (6389586).

Almost surely, 2^50667618 is an apocalyptic number.

50667618 is an abundant number, since it is smaller than the sum of its proper divisors (51565758).

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

50667618 is a wasteful number, since it uses less digits than its factorization.

50667618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74849.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 50667618 is about 7118.1189931048. The cubic root of 50667618 is about 370.0355894668.

The spelling of 50667618 in words is "fifty million, six hundred sixty-seven thousand, six hundred eighteen".