50664158 has 4 divisors (see below), whose sum is σ = 75996240. Its totient is φ = 25332078.

The previous prime is 50664157. The next prime is 50664161. The reversal of 50664158 is 85146605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50664157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12666038 + ... + 12666041.

It is an arithmetic number, because the mean of its divisors is an integer number (18999060).

Almost surely, 2^50664158 is an apocalyptic number.

50664158 is a deficient number, since it is larger than the sum of its proper divisors (25332082).

50664158 is a wasteful number, since it uses less digits than its factorization.

50664158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25332081.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 50664158 is about 7117.8759472191. The cubic root of 50664158 is about 370.0271662547.

The spelling of 50664158 in words is "fifty million, six hundred sixty-four thousand, one hundred fifty-eight".