90009053 has 2 divisors, whose sum is σ = 90009054. Its totient is φ = 90009052.

The previous prime is 90009037. The next prime is 90009119. The reversal of 90009053 is 35090009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88416409 + 1592644 = 9403^2 + 1262^2 .

It is a cyclic number.

It is not a de Polignac number, because 90009053 - 2⁴ = 90009037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90009253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45004526 + 45004527.

It is an arithmetic number, because the mean of its divisors is an integer number (45004527).

Almost surely, 2^90009053 is an apocalyptic number.

It is an amenable number.

90009053 is a deficient number, since it is larger than the sum of its proper divisors (1).

90009053 is an equidigital number, since it uses as much as digits as its factorization.

90009053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 90009053 is about 9487.3101035014. The cubic root of 90009053 is about 448.1555001361.

The spelling of 90009053 in words is "ninety million, nine thousand, fifty-three".