538455 has 8 divisors (see below), whose sum is σ = 861552. Its totient is φ = 287168.

The previous prime is 538423. The next prime is 538457. The reversal of 538455 is 554835.

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 538455 - 2⁵ = 538423 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538457) 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 7 ways as a sum of consecutive naturals, for example, 17934 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (107694).

2⁵³⁸⁴⁵⁵ is an apocalyptic number.

538455 is a deficient number, since it is larger than the sum of its proper divisors (323097).

538455 is a wasteful number, since it uses less digits than its factorization.

538455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35905.

The product of its digits is 12000, while the sum is 30.

The square root of 538455 is about 733.7949304813. The cubic root of 538455 is about 81.3547918088.

The spelling of 538455 in words is "five hundred thirty-eight thousand, four hundred fifty-five".