53502769 has 2 divisors, whose sum is σ = 53502770. Its totient is φ = 53502768.

The previous prime is 53502751. The next prime is 53502821. The reversal of 53502769 is 96720535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27615025 + 25887744 = 5255^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 53502769 - 2⁵ = 53502737 is a prime.

It is a super-2 number, since 2×53502769² = 5725092581334722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53502749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26751384 + 26751385.

It is an arithmetic number, because the mean of its divisors is an integer number (26751385).

Almost surely, 2^53502769 is an apocalyptic number.

It is an amenable number.

53502769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53502769 is an equidigital number, since it uses as much as digits as its factorization.

53502769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 53502769 is about 7314.5587016579. The cubic root of 53502769 is about 376.8126028431.

The spelling of 53502769 in words is "fifty-three million, five hundred two thousand, seven hundred sixty-nine".