90050 has 12 divisors (see below), whose sum is σ = 167586. Its totient is φ = 36000.

The previous prime is 90031. The next prime is 90053. The reversal of 90050 is 5009.

It can be written as a sum of positive squares in 3 ways, for example, as 48841 + 41209 = 221^2 + 203^2 .

It is not an unprimeable number, because it can be changed into a prime (90053) by changing a digit.

90050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851 + ... + 950.

2⁹⁰⁰⁵⁰ is an apocalyptic number.

90050 is a deficient number, since it is larger than the sum of its proper divisors (77536).

90050 is a wasteful number, since it uses less digits than its factorization.

90050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 90050 is about 300.0833217625. The cubic root of 90050 is about 44.8223448269.

Adding to 90050 its reverse (5009), we get a palindrome (95059).

The spelling of 90050 in words is "ninety thousand, fifty".