538550 has 12 divisors (see below), whose sum is σ = 1001796. Its totient is φ = 215400.

The previous prime is 538529. The next prime is 538553. The reversal of 538550 is 55835.

It is a super-2 number, since 2×538550² = 580072205000, which contains 22 as substring.

It is a Curzon number.

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 (538553) by changing a digit.

538550 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 5336 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (83483).

2⁵³⁸⁵⁵⁰ is an apocalyptic number.

538550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

538550 is a deficient number, since it is larger than the sum of its proper divisors (463246).

538550 is a wasteful number, since it uses less digits than its factorization.

538550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783 (or 10778 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 538550 is about 733.8596596080. The cubic root of 538550 is about 81.3595760222.

The spelling of 538550 in words is "five hundred thirty-eight thousand, five hundred fifty".