520783055 has 16 divisors (see below), whose sum is σ = 680581440. Its totient is φ = 380252928.

The previous prime is 520783031. The next prime is 520783057. The reversal of 520783055 is 550387025.

520783055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520783055 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520783057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39227 + ... + 50796.

It is an arithmetic number, because the mean of its divisors is an integer number (42536340).

Almost surely, 2^520783055 is an apocalyptic number.

520783055 is a deficient number, since it is larger than the sum of its proper divisors (159798385).

520783055 is a wasteful number, since it uses less digits than its factorization.

520783055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90130.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 520783055 is about 22820.6716597036. The cubic root of 520783055 is about 804.5485966331.

The spelling of 520783055 in words is "five hundred twenty million, seven hundred eighty-three thousand, fifty-five".