50406018 has 32 divisors (see below), whose sum is σ = 113291136. Its totient is φ = 14834688.

The previous prime is 50406017. The next prime is 50406047. The reversal of 50406018 is 81060405.

It is not an unprimeable number, because it can be changed into a prime (50406011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12255 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (3540348).

Almost surely, 2^50406018 is an apocalyptic number.

50406018 is an abundant number, since it is smaller than the sum of its proper divisors (62885118).

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

50406018 is a wasteful number, since it uses less digits than its factorization.

50406018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28138.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 50406018 is about 7099.7195719268. The cubic root of 50406018 is about 369.3976515322.

The spelling of 50406018 in words is "fifty million, four hundred six thousand, eighteen".