538565533 has 8 divisors (see below), whose sum is σ = 587801376. Its totient is φ = 489375600.

The previous prime is 538565519. The next prime is 538565551. The reversal of 538565533 is 335565835.

538565533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 538565533 - 2⁵ = 538565501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538565533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538565563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15910 + ... + 36472.

It is an arithmetic number, because the mean of its divisors is an integer number (73475172).

Almost surely, 2^538565533 is an apocalyptic number.

It is an amenable number.

538565533 is a deficient number, since it is larger than the sum of its proper divisors (49235843).

538565533 is a wasteful number, since it uses less digits than its factorization.

538565533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22955.

The product of its digits is 810000, while the sum is 43.

The square root of 538565533 is about 23207.0147369281. The cubic root of 538565533 is about 813.6035821270.

The spelling of 538565533 in words is "five hundred thirty-eight million, five hundred sixty-five thousand, five hundred thirty-three".