50616081 has 12 divisors (see below), whose sum is σ = 73194420. Its totient is φ = 33706080.

The previous prime is 50616079. The next prime is 50616091. The reversal of 50616081 is 18061605.

50616081 is a `hidden beast` number, since 50 + 6 + 1 + 608 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 19713600 = 5559^2 + 4440^2 .

It is not a de Polignac number, because 50616081 - 2¹ = 50616079 is a prime.

It is a super-3 number, since 3×50616081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50616001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6991 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (6099535).

Almost surely, 2^50616081 is an apocalyptic number.

It is an amenable number.

50616081 is a deficient number, since it is larger than the sum of its proper divisors (22578339).

50616081 is a wasteful number, since it uses less digits than its factorization.

50616081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336 (or 6333 counting only the distinct ones).

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

The square root of 50616081 is about 7114.4979443387. The cubic root of 50616081 is about 369.9100852855.

Adding to 50616081 its reverse (18061605), we get a palindrome (68677686).

The spelling of 50616081 in words is "fifty million, six hundred sixteen thousand, eighty-one".