50566871 has 2 divisors, whose sum is σ = 50566872. Its totient is φ = 50566870.

The previous prime is 50566853. The next prime is 50566909. The reversal of 50566871 is 17866505.

It is a happy number.

It is an a-pointer prime, because the next prime (50566909) can be obtained adding 50566871 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50566871 - 2²² = 46372567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50566801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25283435 + 25283436.

It is an arithmetic number, because the mean of its divisors is an integer number (25283436).

Almost surely, 2^50566871 is an apocalyptic number.

50566871 is a deficient number, since it is larger than the sum of its proper divisors (1).

50566871 is an equidigital number, since it uses as much as digits as its factorization.

50566871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 50566871 is about 7111.0386723741. The cubic root of 50566871 is about 369.7901683387.

It can be divided in two parts, 505 and 66871, that added together give a palindrome (67376).

The spelling of 50566871 in words is "fifty million, five hundred sixty-six thousand, eight hundred seventy-one".