50666320 has 40 divisors (see below), whose sum is σ = 120990024. Its totient is φ = 19717632.

The previous prime is 50666303. The next prime is 50666323. The reversal of 50666320 is 2366605.

It can be written as a sum of positive squares in 4 ways, for example, as 1498176 + 49168144 = 1224^2 + 7012^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50666323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5599 + ... + 11518.

Almost surely, 2^50666320 is an apocalyptic number.

It is an amenable number.

50666320 is an abundant number, since it is smaller than the sum of its proper divisors (70323704).

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

50666320 is a wasteful number, since it uses less digits than its factorization.

50666320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167 (or 17161 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 50666320 is about 7118.0278167481. The cubic root of 50666320 is about 370.0324295900.

The spelling of 50666320 in words is "fifty million, six hundred sixty-six thousand, three hundred twenty".