90953953 has 2 divisors, whose sum is σ = 90953954. Its totient is φ = 90953952.

The previous prime is 90953909. The next prime is 90953963. The reversal of 90953953 is 35935909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 2274064 = 9417^2 + 1508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90953953 is a prime.

It is not a weakly prime, because it can be changed into another prime (90953963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45476976 + 45476977.

It is an arithmetic number, because the mean of its divisors is an integer number (45476977).

Almost surely, 2^90953953 is an apocalyptic number.

It is an amenable number.

90953953 is a deficient number, since it is larger than the sum of its proper divisors (1).

90953953 is an equidigital number, since it uses as much as digits as its factorization.

90953953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164025, while the sum is 43.

The square root of 90953953 is about 9536.9781901816. The cubic root of 90953953 is about 449.7182648008.

The spelling of 90953953 in words is "ninety million, nine hundred fifty-three thousand, nine hundred fifty-three".