53338769 has 4 divisors (see below), whose sum is σ = 58187760. Its totient is φ = 48489780.

The previous prime is 53338763. The next prime is 53338777. The reversal of 53338769 is 96783335.

53338769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53338769 is a prime.

It is a super-2 number, since 2×53338769² = 5690048556870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53338763) 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 in 3 ways as a sum of consecutive naturals, for example, 2424479 + ... + 2424500.

It is an arithmetic number, because the mean of its divisors is an integer number (14546940).

Almost surely, 2^53338769 is an apocalyptic number.

It is an amenable number.

53338769 is a deficient number, since it is larger than the sum of its proper divisors (4848991).

53338769 is a wasteful number, since it uses less digits than its factorization.

53338769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848990.

The product of its digits is 408240, while the sum is 44.

The square root of 53338769 is about 7303.3395785764. The cubic root of 53338769 is about 376.4271990134.

The spelling of 53338769 in words is "fifty-three million, three hundred thirty-eight thousand, seven hundred sixty-nine".