50983819 has 2 divisors, whose sum is σ = 50983820. Its totient is φ = 50983818.

The previous prime is 50983813. The next prime is 50983837. The reversal of 50983819 is 91838905.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50983819 is a prime.

It is a super-2 number, since 2×50983819² = 5198699599649522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50983813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25491909 + 25491910.

It is an arithmetic number, because the mean of its divisors is an integer number (25491910).

Almost surely, 2^50983819 is an apocalyptic number.

50983819 is a deficient number, since it is larger than the sum of its proper divisors (1).

50983819 is an equidigital number, since it uses as much as digits as its factorization.

50983819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 50983819 is about 7140.2954420668. The cubic root of 50983819 is about 370.8037531035.

The spelling of 50983819 in words is "fifty million, nine hundred eighty-three thousand, eight hundred nineteen".