50563819 has 2 divisors, whose sum is σ = 50563820. Its totient is φ = 50563818.

The previous prime is 50563811. The next prime is 50563847. The reversal of 50563819 is 91836505.

50563819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50563819 - 2³ = 50563811 is a prime.

It is a super-2 number, since 2×50563819² = 5113399583729522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50563811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25281909 + 25281910.

It is an arithmetic number, because the mean of its divisors is an integer number (25281910).

Almost surely, 2^50563819 is an apocalyptic number.

50563819 is a deficient number, since it is larger than the sum of its proper divisors (1).

50563819 is an equidigital number, since it uses as much as digits as its factorization.

50563819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 50563819 is about 7110.8240732000. The cubic root of 50563819 is about 369.7827285381.

The spelling of 50563819 in words is "fifty million, five hundred sixty-three thousand, eight hundred nineteen".