90053291 has 2 divisors, whose sum is σ = 90053292. Its totient is φ = 90053290.

The previous prime is 90053279. The next prime is 90053297. The reversal of 90053291 is 19235009.

It is a strong prime.

It is an emirp because it is prime and its reverse (19235009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90053291 - 2¹⁸ = 89791147 is a prime.

It is not a weakly prime, because it can be changed into another prime (90053297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45026645 + 45026646.

It is an arithmetic number, because the mean of its divisors is an integer number (45026646).

Almost surely, 2^90053291 is an apocalyptic number.

90053291 is a deficient number, since it is larger than the sum of its proper divisors (1).

90053291 is an equidigital number, since it uses as much as digits as its factorization.

90053291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 90053291 is about 9489.6412471705. The cubic root of 90053291 is about 448.2289085147.

The spelling of 90053291 in words is "ninety million, fifty-three thousand, two hundred ninety-one".