50811018 has 8 divisors (see below), whose sum is σ = 101622048. Its totient is φ = 16937004.

The previous prime is 50811017. The next prime is 50811031. The reversal of 50811018 is 81011805.

It is a sphenic number, since it is the product of 3 distinct primes.

50811018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (50811017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234246 + ... + 4234257.

It is an arithmetic number, because the mean of its divisors is an integer number (12702756).

Almost surely, 2^50811018 is an apocalyptic number.

50811018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50811018 is a wasteful number, since it uses less digits than its factorization.

50811018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468508.

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 50811018 is about 7128.1847619152. The cubic root of 50811018 is about 370.3843534590.

The spelling of 50811018 in words is "fifty million, eight hundred eleven thousand, eighteen".