50550530477 has 2 divisors, whose sum is σ = 50550530478. Its totient is φ = 50550530476.

The previous prime is 50550530453. The next prime is 50550530497. The reversal of 50550530477 is 77403505505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44358256996 + 6192273481 = 210614^2 + 78691^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550530477 - 2⁸ = 50550530221 is a prime.

It is a super-2 number, since 2×50550530477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550530417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275265238 + 25275265239.

It is an arithmetic number, because the mean of its divisors is an integer number (25275265239).

Almost surely, 2^50550530477 is an apocalyptic number.

It is an amenable number.

50550530477 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550530477 is an equidigital number, since it uses as much as digits as its factorization.

50550530477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367500, while the sum is 41.

The spelling of 50550530477 in words is "fifty billion, five hundred fifty million, five hundred thirty thousand, four hundred seventy-seven".