520266055 has 16 divisors (see below), whose sum is σ = 635128704. Its totient is φ = 409036320.

The previous prime is 520266053. The next prime is 520266083. The reversal of 520266055 is 550662025.

It is not a de Polignac number, because 520266055 - 2¹ = 520266053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520266053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162904 + ... + 166066.

It is an arithmetic number, because the mean of its divisors is an integer number (39695544).

Almost surely, 2^520266055 is an apocalyptic number.

520266055 is a deficient number, since it is larger than the sum of its proper divisors (114862649).

520266055 is a wasteful number, since it uses less digits than its factorization.

520266055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 520266055 is about 22809.3413977695. The cubic root of 520266055 is about 804.2822737438.

It can be divided in two parts, 52026 and 6055, that added together give a square (58081 = 241²).

The spelling of 520266055 in words is "five hundred twenty million, two hundred sixty-six thousand, fifty-five".