53683969 has 2 divisors, whose sum is σ = 53683970. Its totient is φ = 53683968.

The previous prime is 53683967. The next prime is 53683997. The reversal of 53683969 is 96938635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28483569 + 25200400 = 5337^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 53683969 - 2¹ = 53683967 is a prime.

It is a super-2 number, since 2×53683969² = 5763937055185922, which contains 22 as substring.

Together with 53683967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53683963) 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, 26841984 + 26841985.

It is an arithmetic number, because the mean of its divisors is an integer number (26841985).

Almost surely, 2^53683969 is an apocalyptic number.

It is an amenable number.

53683969 is a deficient number, since it is larger than the sum of its proper divisors (1).

53683969 is an equidigital number, since it uses as much as digits as its factorization.

53683969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 53683969 is about 7326.9344885839. The cubic root of 53683969 is about 377.2375123643.

The spelling of 53683969 in words is "fifty-three million, six hundred eighty-three thousand, nine hundred sixty-nine".