520056353 has 4 divisors (see below), whose sum is σ = 547427760. Its totient is φ = 492684948.

The previous prime is 520056311. The next prime is 520056359. The reversal of 520056353 is 353650025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520056353 - 2²² = 515862049 is a prime.

It is a super-2 number, since 2×520056353² = 540917220591321218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520056359) by changing a digit.

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, 13685675 + ... + 13685712.

It is an arithmetic number, because the mean of its divisors is an integer number (136856940).

Almost surely, 2^520056353 is an apocalyptic number.

It is an amenable number.

520056353 is a deficient number, since it is larger than the sum of its proper divisors (27371407).

520056353 is a wasteful number, since it uses less digits than its factorization.

520056353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27371406.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 520056353 is about 22804.7440897722. The cubic root of 520056353 is about 804.1741993812.

The spelling of 520056353 in words is "five hundred twenty million, fifty-six thousand, three hundred fifty-three".