520055433 has 6 divisors (see below), whose sum is σ = 751191194. Its totient is φ = 346703616.

The previous prime is 520055399. The next prime is 520055453. The reversal of 520055433 is 334550025.

It can be written as a sum of positive squares in only one way, i.e., 471237264 + 48818169 = 21708^2 + 6987^2 .

It is not a de Polignac number, because 520055433 - 2¹⁸ = 519793289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520055397 and 520055406.

It is not an unprimeable number, because it can be changed into a prime (520055453) 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 in 5 ways as a sum of consecutive naturals, for example, 28891960 + ... + 28891977.

Almost surely, 2^520055433 is an apocalyptic number.

It is an amenable number.

520055433 is a deficient number, since it is larger than the sum of its proper divisors (231135761).

520055433 is a wasteful number, since it uses less digits than its factorization.

520055433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57783943 (or 57783940 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 520055433 is about 22804.7239185218. The cubic root of 520055433 is about 804.1737251757.

The spelling of 520055433 in words is "five hundred twenty million, fifty-five thousand, four hundred thirty-three".