90559250 has 16 divisors (see below), whose sum is σ = 169527384. Its totient is φ = 36223600.

The previous prime is 90559243. The next prime is 90559253. The reversal of 90559250 is 5295509.

It can be written as a sum of positive squares in 4 ways, for example, as 34023889 + 56535361 = 5833^2 + 7519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90559250.

It is not an unprimeable number, because it can be changed into a prime (90559253) 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 7 ways as a sum of consecutive naturals, for example, 180869 + ... + 181368.

Almost surely, 2^90559250 is an apocalyptic number.

90559250 is a deficient number, since it is larger than the sum of its proper divisors (78968134).

90559250 is a wasteful number, since it uses less digits than its factorization.

90559250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362254 (or 362244 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 90559250 is about 9516.2623965504. The cubic root of 90559250 is about 449.0667903281.

It can be divided in two parts, 90559 and 250, that added together give a palindrome (90809).

The spelling of 90559250 in words is "ninety million, five hundred fifty-nine thousand, two hundred fifty".