520006055 has 8 divisors (see below), whose sum is σ = 635781312. Its totient is φ = 408155488.

The previous prime is 520006051. The next prime is 520006063. The reversal of 520006055 is 550600025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520006055 - 2² = 520006051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520006055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520006051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980879 + ... + 981408.

It is an arithmetic number, because the mean of its divisors is an integer number (79472664).

Almost surely, 2^520006055 is an apocalyptic number.

520006055 is a deficient number, since it is larger than the sum of its proper divisors (115775257).

520006055 is a wasteful number, since it uses less digits than its factorization.

520006055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962345.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 520006055 is about 22803.6412662539. The cubic root of 520006055 is about 804.1482729229.

The spelling of 520006055 in words is "five hundred twenty million, six thousand, fifty-five".