50553859 has 2 divisors, whose sum is σ = 50553860. Its totient is φ = 50553858.

The previous prime is 50553829. The next prime is 50553871. The reversal of 50553859 is 95835505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50553859 - 2⁷ = 50553731 is a prime.

It is not a weakly prime, because it can be changed into another prime (50553829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25276929 + 25276930.

It is an arithmetic number, because the mean of its divisors is an integer number (25276930).

Almost surely, 2^50553859 is an apocalyptic number.

50553859 is a deficient number, since it is larger than the sum of its proper divisors (1).

50553859 is an equidigital number, since it uses as much as digits as its factorization.

50553859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 50553859 is about 7110.1236979394. The cubic root of 50553859 is about 369.7584471587.

The spelling of 50553859 in words is "fifty million, five hundred fifty-three thousand, eight hundred fifty-nine".