50782225 has 12 divisors (see below), whose sum is σ = 67814236. Its totient is φ = 37500480.

The previous prime is 50782223. The next prime is 50782261. The reversal of 50782225 is 52228705.

It can be written as a sum of positive squares in 6 ways, for example, as 22127616 + 28654609 = 4704^2 + 5353^2 .

It is not a de Polignac number, because 50782225 - 2¹ = 50782223 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50782223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77802 + ... + 78451.

Almost surely, 2^50782225 is an apocalyptic number.

It is an amenable number.

50782225 is a deficient number, since it is larger than the sum of its proper divisors (17032011).

50782225 is a wasteful number, since it uses less digits than its factorization.

50782225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156276 (or 156271 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 50782225 is about 7126.1648170668. The cubic root of 50782225 is about 370.3143785326.

The spelling of 50782225 in words is "fifty million, seven hundred eighty-two thousand, two hundred twenty-five".