505050550379 has 2 divisors, whose sum is σ = 505050550380. Its totient is φ = 505050550378.

The previous prime is 505050550373. The next prime is 505050550397. The reversal of 505050550379 is 973055050505.

Together with next prime (505050550397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505050550379 - 2³⁶ = 436331073643 is a prime.

It is not a weakly prime, because it can be changed into another prime (505050550373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525275189 + 252525275190.

It is an arithmetic number, because the mean of its divisors is an integer number (252525275190).

Almost surely, 2^505050550379 is an apocalyptic number.

505050550379 is a deficient number, since it is larger than the sum of its proper divisors (1).

505050550379 is an equidigital number, since it uses as much as digits as its factorization.

505050550379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590625, while the sum is 44.

The spelling of 505050550379 in words is "five hundred five billion, fifty million, five hundred fifty thousand, three hundred seventy-nine".