53203769 has 2 divisors, whose sum is σ = 53203770. Its totient is φ = 53203768.

The previous prime is 53203763. The next prime is 53203783. The reversal of 53203769 is 96730235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 1075369 = 7220^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 53203769 - 2⁴ = 53203753 is a prime.

It is a super-2 number, since 2×53203769² = 5661282071610722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53203763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26601884 + 26601885.

It is an arithmetic number, because the mean of its divisors is an integer number (26601885).

Almost surely, 2^53203769 is an apocalyptic number.

It is an amenable number.

53203769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53203769 is an equidigital number, since it uses as much as digits as its factorization.

53203769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 53203769 is about 7294.0913759015. The cubic root of 53203769 is about 376.1093526248.

The spelling of 53203769 in words is "fifty-three million, two hundred three thousand, seven hundred sixty-nine".