50935681 has 4 divisors (see below), whose sum is σ = 51138864. Its totient is φ = 50732500.

The previous prime is 50935669. The next prime is 50935711. The reversal of 50935681 is 18653905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18653905 = 5 ⋅3730781.

It is a cyclic number.

It is not a de Polignac number, because 50935681 - 2⁵ = 50935649 is a prime.

It is a super-2 number, since 2×50935681² = 5188887197867522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50935681.

It is not an unprimeable number, because it can be changed into a prime (50935631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101215 + ... + 101716.

It is an arithmetic number, because the mean of its divisors is an integer number (12784716).

Almost surely, 2^50935681 is an apocalyptic number.

It is an amenable number.

50935681 is a deficient number, since it is larger than the sum of its proper divisors (203183).

50935681 is a wasteful number, since it uses less digits than its factorization.

50935681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203182.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 50935681 is about 7136.9237770905. The cubic root of 50935681 is about 370.6870142887.

The spelling of 50935681 in words is "fifty million, nine hundred thirty-five thousand, six hundred eighty-one".