50821713 has 24 divisors (see below), whose sum is σ = 77563200. Its totient is φ = 31977504.

The previous prime is 50821709. The next prime is 50821739. The reversal of 50821713 is 31712805.

50821713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50821713 - 2² = 50821709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50821703) 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 23 ways as a sum of consecutive naturals, for example, 74731 + ... + 75407.

It is an arithmetic number, because the mean of its divisors is an integer number (3231800).

Almost surely, 2^50821713 is an apocalyptic number.

It is an amenable number.

50821713 is a deficient number, since it is larger than the sum of its proper divisors (26741487).

50821713 is a wasteful number, since it uses less digits than its factorization.

50821713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 50821713 is about 7128.9349134355. The cubic root of 50821713 is about 370.4103385236.

The spelling of 50821713 in words is "fifty million, eight hundred twenty-one thousand, seven hundred thirteen".