68190053 has 2 divisors, whose sum is σ = 68190054. Its totient is φ = 68190052.

The previous prime is 68190047. The next prime is 68190071. The reversal of 68190053 is 35009186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57047809 + 11142244 = 7553^2 + 3338^2 .

It is a cyclic number.

It is not a de Polignac number, because 68190053 - 2¹⁰ = 68189029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68190853) 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, 34095026 + 34095027.

It is an arithmetic number, because the mean of its divisors is an integer number (34095027).

Almost surely, 2^68190053 is an apocalyptic number.

It is an amenable number.

68190053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68190053 is an equidigital number, since it uses as much as digits as its factorization.

68190053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 68190053 is about 8257.7268663961. The cubic root of 68190053 is about 408.5454166727.

The spelling of 68190053 in words is "sixty-eight million, one hundred ninety thousand, fifty-three".