520056351 has 6 divisors (see below), whose sum is σ = 751192520. Its totient is φ = 346704228.

The previous prime is 520056311. The next prime is 520056359. The reversal of 520056351 is 153650025.

520056351 is a `hidden beast` number, since 5 + 20 + 0 + 5 + 635 + 1 = 666.

It is not a de Polignac number, because 520056351 - 2⁶ = 520056287 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 (520056359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28892011 + ... + 28892028.

Almost surely, 2^520056351 is an apocalyptic number.

520056351 is a deficient number, since it is larger than the sum of its proper divisors (231136169).

520056351 is a wasteful number, since it uses less digits than its factorization.

520056351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57784045 (or 57784042 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 520056351 is about 22804.7440459217. The cubic root of 520056351 is about 804.1741983503.

The spelling of 520056351 in words is "five hundred twenty million, fifty-six thousand, three hundred fifty-one".