90534568 has 16 divisors (see below), whose sum is σ = 170100000. Its totient is φ = 45174576.

The previous prime is 90534559. The next prime is 90534569. The reversal of 90534568 is 86543509.

It is a self number, because there is not a number n which added to its sum of digits gives 90534568.

It is not an unprimeable number, because it can be changed into a prime (90534569) 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 3 ways as a sum of consecutive naturals, for example, 7348 + ... + 15331.

It is an arithmetic number, because the mean of its divisors is an integer number (10631250).

Almost surely, 2^90534568 is an apocalyptic number.

It is an amenable number.

90534568 is a deficient number, since it is larger than the sum of its proper divisors (79565432).

90534568 is a wasteful number, since it uses less digits than its factorization.

90534568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23184 (or 23180 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 90534568 is about 9514.9654755023. The cubic root of 90534568 is about 449.0259887768.

The spelling of 90534568 in words is "ninety million, five hundred thirty-four thousand, five hundred sixty-eight".