90241550 has 48 divisors (see below), whose sum is σ = 194050080. Its totient is φ = 30581760.

The previous prime is 90241549. The next prime is 90241561. The reversal of 90241550 is 5514209.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29702 + ... + 32598.

It is an arithmetic number, because the mean of its divisors is an integer number (4042710).

Almost surely, 2^90241550 is an apocalyptic number.

90241550 is an abundant number, since it is smaller than the sum of its proper divisors (103808530).

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

90241550 is a wasteful number, since it uses less digits than its factorization.

90241550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 90241550 is about 9499.5552527474. Note that the first 3 decimals coincide. The cubic root of 90241550 is about 448.5410362617.

Adding to 90241550 its reverse (5514209), we get a palindrome (95755759).

The spelling of 90241550 in words is "ninety million, two hundred forty-one thousand, five hundred fifty".