50616018 has 12 divisors (see below), whose sum is σ = 109668078. Its totient is φ = 16872000.

The previous prime is 50616001. The next prime is 50616047. The reversal of 50616018 is 81061605.

50616018 is a `hidden beast` number, since 50 + 6 + 1 + 601 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26967249 + 23648769 = 5193^2 + 4863^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50615982 and 50616000.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1405983 + ... + 1406018.

Almost surely, 2^50616018 is an apocalyptic number.

50616018 is an abundant number, since it is smaller than the sum of its proper divisors (59052060).

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

50616018 is a wasteful number, since it uses less digits than its factorization.

50616018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812009 (or 2812006 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50616018 is about 7114.4935167586. The cubic root of 50616018 is about 369.9099318142.

The spelling of 50616018 in words is "fifty million, six hundred sixteen thousand, eighteen".