50421285 has 72 divisors (see below), whose sum is σ = 95654520. Its totient is φ = 25474176.

The previous prime is 50421263. The next prime is 50421299. The reversal of 50421285 is 58212405.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9474084 + 40947201 = 3078^2 + 6399^2 .

It is not a de Polignac number, because 50421285 - 2⁷ = 50421157 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 951319 + ... + 951371.

It is an arithmetic number, because the mean of its divisors is an integer number (1328535).

Almost surely, 2^50421285 is an apocalyptic number.

It is an amenable number.

50421285 is a deficient number, since it is larger than the sum of its proper divisors (45233235).

50421285 is an frugal number, since it uses more digits than its factorization.

50421285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 50421285 is about 7100.7946738376. The cubic root of 50421285 is about 369.4349422162.

The spelling of 50421285 in words is "fifty million, four hundred twenty-one thousand, two hundred eighty-five".