50640893 has 2 divisors, whose sum is σ = 50640894. Its totient is φ = 50640892.

The previous prime is 50640859. The next prime is 50640937. The reversal of 50640893 is 39804605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47637604 + 3003289 = 6902^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 50640893 - 2⁶ = 50640829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50640593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320446 + 25320447.

It is an arithmetic number, because the mean of its divisors is an integer number (25320447).

Almost surely, 2^50640893 is an apocalyptic number.

It is an amenable number.

50640893 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640893 is an equidigital number, since it uses as much as digits as its factorization.

50640893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 50640893 is about 7116.2414939348. The cubic root of 50640893 is about 369.9705187126.

The spelling of 50640893 in words is "fifty million, six hundred forty thousand, eight hundred ninety-three".