50821255 has 8 divisors (see below), whose sum is σ = 61556112. Its totient is φ = 40276608.

The previous prime is 50821229. The next prime is 50821259. The reversal of 50821255 is 55212805.

50821255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50821255 - 2¹¹ = 50819207 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 (50821259) 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 7 ways as a sum of consecutive naturals, for example, 46962 + ... + 48031.

It is an arithmetic number, because the mean of its divisors is an integer number (7694514).

Almost surely, 2^50821255 is an apocalyptic number.

50821255 is a deficient number, since it is larger than the sum of its proper divisors (10734857).

50821255 is a wasteful number, since it uses less digits than its factorization.

50821255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95105.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 50821255 is about 7128.9027907526. The cubic root of 50821255 is about 370.4092258205.

It can be divided in two parts, 50821 and 255, that added together give a square (51076 = 226²).

The spelling of 50821255 in words is "fifty million, eight hundred twenty-one thousand, two hundred fifty-five".