50105906 has 4 divisors (see below), whose sum is σ = 75158862. Its totient is φ = 25052952.

The previous prime is 50105903. The next prime is 50105917. The reversal of 50105906 is 60950105.

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., 27931225 + 22174681 = 5285^2 + 4709^2 .

It is not an unprimeable number, because it can be changed into a prime (50105903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526475 + ... + 12526478.

Almost surely, 2^50105906 is an apocalyptic number.

50105906 is a deficient number, since it is larger than the sum of its proper divisors (25052956).

50105906 is a wasteful number, since it uses less digits than its factorization.

50105906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25052955.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 50105906 is about 7078.5525356530. The cubic root of 50105906 is about 368.6630737936.

The spelling of 50105906 in words is "fifty million, one hundred five thousand, nine hundred six".