50705861 has 4 divisors (see below), whose sum is σ = 50851500. Its totient is φ = 50560224.

The previous prime is 50705803. The next prime is 50705887. The reversal of 50705861 is 16850705.

50705861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16850705 = 5 ⋅3370141.

It can be written as a sum of positive squares in 2 ways, for example, as 16248961 + 34456900 = 4031^2 + 5870^2 .

It is a cyclic number.

It is not a de Polignac number, because 50705861 - 2¹⁸ = 50443717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50705261) by changing a digit.

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, 72296 + ... + 72993.

It is an arithmetic number, because the mean of its divisors is an integer number (12712875).

Almost surely, 2^50705861 is an apocalyptic number.

It is an amenable number.

50705861 is a deficient number, since it is larger than the sum of its proper divisors (145639).

50705861 is a wasteful number, since it uses less digits than its factorization.

50705861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145638.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 50705861 is about 7120.8048000209. The cubic root of 50705861 is about 370.1286647729.

The spelling of 50705861 in words is "fifty million, seven hundred five thousand, eight hundred sixty-one".