520535016055 has 4 divisors (see below), whose sum is σ = 624642019272. Its totient is φ = 416428012840.

The previous prime is 520535016047. The next prime is 520535016137. The reversal of 520535016055 is 550610535025.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 520535016055 - 2³ = 520535016047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52053501601 + ... + 52053501610.

It is an arithmetic number, because the mean of its divisors is an integer number (156160504818).

Almost surely, 2^520535016055 is an apocalyptic number.

520535016055 is a deficient number, since it is larger than the sum of its proper divisors (104107003217).

520535016055 is a wasteful number, since it uses less digits than its factorization.

520535016055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104107003216.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 520535016055 in words is "five hundred twenty billion, five hundred thirty-five million, sixteen thousand, fifty-five".