50420666 has 4 divisors (see below), whose sum is σ = 75631002. Its totient is φ = 25210332.

The previous prime is 50420653. The next prime is 50420683. The reversal of 50420666 is 66602405.

50420666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 43943641 + 6477025 = 6629^2 + 2545^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605165 + ... + 12605168.

Almost surely, 2^50420666 is an apocalyptic number.

50420666 is a deficient number, since it is larger than the sum of its proper divisors (25210336).

50420666 is a wasteful number, since it uses less digits than its factorization.

50420666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210335.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 50420666 is about 7100.7510870330. The cubic root of 50420666 is about 369.4334304131.

The spelling of 50420666 in words is "fifty million, four hundred twenty thousand, six hundred sixty-six".