533621144 has 16 divisors (see below), whose sum is σ = 1143474000. Its totient is φ = 228694752.

The previous prime is 533621117. The next prime is 533621149. The reversal of 533621144 is 441126335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533621149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764419 + ... + 4764530.

It is an arithmetic number, because the mean of its divisors is an integer number (71467125).

Almost surely, 2^533621144 is an apocalyptic number.

It is an amenable number.

533621144 is an abundant number, since it is smaller than the sum of its proper divisors (609852856).

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

533621144 is a wasteful number, since it uses less digits than its factorization.

533621144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9528962 (or 9528958 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 533621144 is about 23100.2412108618. The cubic root of 533621144 is about 811.1061167280.

Adding to 533621144 its reverse (441126335), we get a palindrome (974747479).

The spelling of 533621144 in words is "five hundred thirty-three million, six hundred twenty-one thousand, one hundred forty-four".