50640826 has 4 divisors (see below), whose sum is σ = 75961242. Its totient is φ = 25320412.

The previous prime is 50640791. The next prime is 50640829. The reversal of 50640826 is 62804605.

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

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 245025 = 7099^2 + 495^2 .

It is not an unprimeable number, because it can be changed into a prime (50640829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660205 + ... + 12660208.

Almost surely, 2^50640826 is an apocalyptic number.

50640826 is a deficient number, since it is larger than the sum of its proper divisors (25320416).

50640826 is a wasteful number, since it uses less digits than its factorization.

50640826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320415.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 50640826 is about 7116.2367863921. The cubic root of 50640826 is about 369.9703555504.

The spelling of 50640826 in words is "fifty million, six hundred forty thousand, eight hundred twenty-six".