90888053 has 2 divisors, whose sum is σ = 90888054. Its totient is φ = 90888052.

The previous prime is 90888043. The next prime is 90888097. The reversal of 90888053 is 35088809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65254084 + 25633969 = 8078^2 + 5063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90888053 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90888053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90888043) 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, 45444026 + 45444027.

It is an arithmetic number, because the mean of its divisors is an integer number (45444027).

Almost surely, 2^90888053 is an apocalyptic number.

It is an amenable number.

90888053 is a deficient number, since it is larger than the sum of its proper divisors (1).

90888053 is an equidigital number, since it uses as much as digits as its factorization.

90888053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 90888053 is about 9533.5225913615. The cubic root of 90888053 is about 449.6096252340.

The spelling of 90888053 in words is "ninety million, eight hundred eighty-eight thousand, fifty-three".