50820666 has 24 divisors (see below), whose sum is σ = 110063520. Its totient is φ = 15636816.

The previous prime is 50820661. The next prime is 50820683. The reversal of 50820666 is 66602805.

It is not an unprimeable number, because it can be changed into a prime (50820661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24046 + ... + 26073.

It is an arithmetic number, because the mean of its divisors is an integer number (4585980).

Almost surely, 2^50820666 is an apocalyptic number.

50820666 is an abundant number, since it is smaller than the sum of its proper divisors (59242854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50820666 is a wasteful number, since it uses less digits than its factorization.

50820666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50150 (or 50137 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 50820666 is about 7128.8614799279. The cubic root of 50820666 is about 370.4077948452.

The spelling of 50820666 in words is "fifty million, eight hundred twenty thousand, six hundred sixty-six".