505533355 has 8 divisors (see below), whose sum is σ = 606827232. Its totient is φ = 404301888.

The previous prime is 505533349. The next prime is 505533359. The reversal of 505533355 is 553335505.

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 505533355 - 2⁷ = 505533227 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 505533355.

It is not an unprimeable number, because it can be changed into a prime (505533359) 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, 4602 + ... + 32128.

It is an arithmetic number, because the mean of its divisors is an integer number (75853404).

Almost surely, 2^505533355 is an apocalyptic number.

505533355 is a deficient number, since it is larger than the sum of its proper divisors (101293877).

505533355 is a wasteful number, since it uses less digits than its factorization.

505533355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31205.

The product of its (nonzero) digits is 84375, while the sum is 34.

The square root of 505533355 is about 22484.0689155678. The cubic root of 505533355 is about 796.6176757356.

The spelling of 505533355 in words is "five hundred five million, five hundred thirty-three thousand, three hundred fifty-five".