50664458 has 16 divisors (see below), whose sum is σ = 82690440. Its totient is φ = 23141376.

The previous prime is 50664457. The next prime is 50664461. The reversal of 50664458 is 85446605.

It can be written as a sum of positive squares in 4 ways, for example, as 23551609 + 27112849 = 4853^2 + 5207^2 .

It is not an unprimeable number, because it can be changed into a prime (50664451) 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, 7523 + ... + 12566.

Almost surely, 2^50664458 is an apocalyptic number.

50664458 is a deficient number, since it is larger than the sum of its proper divisors (32025982).

50664458 is a wasteful number, since it uses less digits than its factorization.

50664458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 50664458 is about 7117.8970208904. The cubic root of 50664458 is about 370.0278966062.

The spelling of 50664458 in words is "fifty million, six hundred sixty-four thousand, four hundred fifty-eight".