90053290 has 8 divisors (see below), whose sum is σ = 162095940. Its totient is φ = 36021312.

The previous prime is 90053279. The next prime is 90053291. The reversal of 90053290 is 9235009.

It can be written as a sum of positive squares in 2 ways, for example, as 82319329 + 7733961 = 9073^2 + 2781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90053291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502655 + ... + 4502674.

Almost surely, 2^90053290 is an apocalyptic number.

90053290 is a deficient number, since it is larger than the sum of its proper divisors (72042650).

90053290 is a wasteful number, since it uses less digits than its factorization.

90053290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005336.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 90053290 is about 9489.6411944815. The cubic root of 90053290 is about 448.2289068556.

Adding to 90053290 its reverse (9235009), we get a palindrome (99288299).

The spelling of 90053290 in words is "ninety million, fifty-three thousand, two hundred ninety".