53329769 has 2 divisors, whose sum is σ = 53329770. Its totient is φ = 53329768.

The previous prime is 53329747. The next prime is 53329817. The reversal of 53329769 is 96792335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 16908544 = 6035^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 53329769 - 2⁸ = 53329513 is a prime.

It is a super-2 number, since 2×53329769² = 5688128523186722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53326769) 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, 26664884 + 26664885.

It is an arithmetic number, because the mean of its divisors is an integer number (26664885).

Almost surely, 2^53329769 is an apocalyptic number.

It is an amenable number.

53329769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53329769 is an equidigital number, since it uses as much as digits as its factorization.

53329769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 53329769 is about 7302.7233961037. The cubic root of 53329769 is about 376.4060259504.

The spelling of 53329769 in words is "fifty-three million, three hundred twenty-nine thousand, seven hundred sixty-nine".