538775216 has 20 divisors (see below), whose sum is σ = 1193002512. Its totient is φ = 230903616.

The previous prime is 538775213. The next prime is 538775221. The reversal of 538775216 is 612577835.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (538775213) 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, 2405135 + ... + 2405358.

Almost surely, 2^538775216 is an apocalyptic number.

538775216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

538775216 is an abundant number, since it is smaller than the sum of its proper divisors (654227296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538775216 is a wasteful number, since it uses less digits than its factorization.

538775216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810508 (or 4810502 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 538775216 is about 23211.5319615057. The cubic root of 538775216 is about 813.7091568399.

The spelling of 538775216 in words is "five hundred thirty-eight million, seven hundred seventy-five thousand, two hundred sixteen".