538355 has 4 divisors (see below), whose sum is σ = 646032. Its totient is φ = 430680.

The previous prime is 538333. The next prime is 538357. The reversal of 538355 is 553835.

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

It is not a de Polignac number, because 538355 - 2¹⁰ = 537331 is a prime.

It is a super-2 number, since 2×538355² = 579652212050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 3³ + 3¹² + 8³ + 5⁵ + 5⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53831 + ... + 53840.

It is an arithmetic number, because the mean of its divisors is an integer number (161508).

2⁵³⁸³⁵⁵ is an apocalyptic number.

538355 is a deficient number, since it is larger than the sum of its proper divisors (107677).

538355 is a wasteful number, since it uses less digits than its factorization.

538355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107676.

The product of its digits is 9000, while the sum is 29.

The square root of 538355 is about 733.7267883892. The cubic root of 538355 is about 81.3497551869.

It can be divided in two parts, 5383 and 55, that multiplied together give a triangular number (296065 = T₇₆₉).

The spelling of 538355 in words is "five hundred thirty-eight thousand, three hundred fifty-five".