90336553 has 2 divisors, whose sum is σ = 90336554. Its totient is φ = 90336552.

The previous prime is 90336541. The next prime is 90336563. The reversal of 90336553 is 35563309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 23309584 = 8187^2 + 4828^2 .

It is a cyclic number.

It is not a de Polignac number, because 90336553 - 2⁹ = 90336041 is a prime.

It is not a weakly prime, because it can be changed into another prime (90336523) by changing a digit.

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 as a sum of consecutive naturals, namely, 45168276 + 45168277.

It is an arithmetic number, because the mean of its divisors is an integer number (45168277).

Almost surely, 2^90336553 is an apocalyptic number.

It is an amenable number.

90336553 is a deficient number, since it is larger than the sum of its proper divisors (1).

90336553 is an equidigital number, since it uses as much as digits as its factorization.

90336553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 90336553 is about 9504.5543293728. The cubic root of 90336553 is about 448.6983835853.

The spelling of 90336553 in words is "ninety million, three hundred thirty-six thousand, five hundred fifty-three".