50286420 has 84 divisors (see below), whose sum is σ = 158375700. Its totient is φ = 13405824.

The previous prime is 50286409. The next prime is 50286421. The reversal of 50286420 is 2468205.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 44116164 = 2484^2 + 6642^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50286421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 12856 + ... + 16304.

It is an arithmetic number, because the mean of its divisors is an integer number (1885425).

Almost surely, 2^50286420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50286420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79187850).

50286420 is an abundant number, since it is smaller than the sum of its proper divisors (108089280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50286420 is a wasteful number, since it uses less digits than its factorization.

50286420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 50286420 is about 7091.2918428168. The cubic root of 50286420 is about 369.1052644360.

The spelling of 50286420 in words is "fifty million, two hundred eighty-six thousand, four hundred twenty".