50510819 has 2 divisors, whose sum is σ = 50510820. Its totient is φ = 50510818.

The previous prime is 50510771. The next prime is 50510827. The reversal of 50510819 is 91801505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50510819 - 2²⁰ = 49462243 is a prime.

It is a super-2 number, since 2×50510819² = 5102685672101522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50510791 and 50510800.

It is not a weakly prime, because it can be changed into another prime (50510879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255409 + 25255410.

It is an arithmetic number, because the mean of its divisors is an integer number (25255410).

Almost surely, 2^50510819 is an apocalyptic number.

50510819 is a deficient number, since it is larger than the sum of its proper divisors (1).

50510819 is an equidigital number, since it uses as much as digits as its factorization.

50510819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 50510819 is about 7107.0963831934. The cubic root of 50510819 is about 369.6534837107.

The spelling of 50510819 in words is "fifty million, five hundred ten thousand, eight hundred nineteen".