533688534 has 32 divisors (see below), whose sum is σ = 1188570240. Its totient is φ = 177506856.

The previous prime is 533688517. The next prime is 533688541. The reversal of 533688534 is 435886335.

533688534 is a `hidden beast` number, since 5 + 3 + 36 + 88 + 534 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 533688534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14637 + ... + 35799.

It is an arithmetic number, because the mean of its divisors is an integer number (37142820).

Almost surely, 2^533688534 is an apocalyptic number.

533688534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

533688534 is an abundant number, since it is smaller than the sum of its proper divisors (654881706).

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

533688534 is a wasteful number, since it uses less digits than its factorization.

533688534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641 (or 21635 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 533688534 is about 23101.6998075899. The cubic root of 533688534 is about 811.1402596407.

The spelling of 533688534 in words is "five hundred thirty-three million, six hundred eighty-eight thousand, five hundred thirty-four".