50566866 has 32 divisors (see below), whose sum is σ = 121666560. Its totient is φ = 13687056.

The previous prime is 50566853. The next prime is 50566871. The reversal of 50566866 is 66866505.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30886 + ... + 32481.

It is an arithmetic number, because the mean of its divisors is an integer number (3802080).

Almost surely, 2^50566866 is an apocalyptic number.

50566866 is an abundant number, since it is smaller than the sum of its proper divisors (71099694).

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

50566866 is a wasteful number, since it uses less digits than its factorization.

50566866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63398.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 50566866 is about 7111.0383208080. The cubic root of 50566866 is about 369.7901561505.

The spelling of 50566866 in words is "fifty million, five hundred sixty-six thousand, eight hundred sixty-six".