50819986 has 8 divisors (see below), whose sum is σ = 87120000. Its totient is φ = 21779988.

The previous prime is 50819963. The next prime is 50819999. The reversal of 50819986 is 68991805.

50819986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814986 + ... + 1815013.

It is an arithmetic number, because the mean of its divisors is an integer number (10890000).

Almost surely, 2^50819986 is an apocalyptic number.

50819986 is a deficient number, since it is larger than the sum of its proper divisors (36300014).

50819986 is a wasteful number, since it uses less digits than its factorization.

50819986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630008.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 50819986 is about 7128.8137863182. The cubic root of 50819986 is about 370.4061427717.

The spelling of 50819986 in words is "fifty million, eight hundred nineteen thousand, nine hundred eighty-six".