50522320 has 20 divisors (see below), whose sum is σ = 117464580. Its totient is φ = 20208896.

The previous prime is 50522309. The next prime is 50522327. The reversal of 50522320 is 2322505.

It can be written as a sum of positive squares in 2 ways, for example, as 25482304 + 25040016 = 5048^2 + 5004^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50522327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315685 + ... + 315844.

It is an arithmetic number, because the mean of its divisors is an integer number (5873229).

Almost surely, 2^50522320 is an apocalyptic number.

It is an amenable number.

50522320 is an abundant number, since it is smaller than the sum of its proper divisors (66942260).

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

50522320 is a wasteful number, since it uses less digits than its factorization.

50522320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631542 (or 631536 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 50522320 is about 7107.9054580094. The cubic root of 50522320 is about 369.6815375163.

Adding to 50522320 its reverse (2322505), we get a palindrome (52844825).

The spelling of 50522320 in words is "fifty million, five hundred twenty-two thousand, three hundred twenty".