538382655 has 24 divisors (see below), whose sum is σ = 933886512. Its totient is φ = 286925184.

The previous prime is 538382653. The next prime is 538382657. The reversal of 538382655 is 556283835.

538382655 = 3131² + 3132² + ... + 3184².

538382655 is a `hidden beast` number, since 5 + 383 + 8 + 265 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (538382653) and next prime (538382657).

It is not a de Polignac number, because 538382655 - 2¹ = 538382653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538382655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538382653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71427 + ... + 78603.

It is an arithmetic number, because the mean of its divisors is an integer number (38911938).

Almost surely, 2^538382655 is an apocalyptic number.

538382655 is a deficient number, since it is larger than the sum of its proper divisors (395503857).

538382655 is a wasteful number, since it uses less digits than its factorization.

538382655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855 (or 8852 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 538382655 is about 23203.0742575203. The cubic root of 538382655 is about 813.5114812706.

The spelling of 538382655 in words is "five hundred thirty-eight million, three hundred eighty-two thousand, six hundred fifty-five".