90552029 has 2 divisors, whose sum is σ = 90552030. Its totient is φ = 90552028.

The previous prime is 90552019. The next prime is 90552073. The reversal of 90552029 is 92025509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 20025625 = 8398^2 + 4475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90552029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90551986 and 90552004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90552019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45276014 + 45276015.

It is an arithmetic number, because the mean of its divisors is an integer number (45276015).

Almost surely, 2^90552029 is an apocalyptic number.

It is an amenable number.

90552029 is a deficient number, since it is larger than the sum of its proper divisors (1).

90552029 is an equidigital number, since it uses as much as digits as its factorization.

90552029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 90552029 is about 9515.8829858295. The cubic root of 90552029 is about 449.0548541372.

The spelling of 90552029 in words is "ninety million, five hundred fifty-two thousand, twenty-nine".