53267789 has 6 divisors (see below), whose sum is σ = 53800686. Its totient is φ = 52740120.

The previous prime is 53267759. The next prime is 53267791. The reversal of 53267789 is 98776235.

It can be written as a sum of positive squares in only one way, i.e., 51984100 + 1283689 = 7210^2 + 1133^2 .

It is not a de Polignac number, because 53267789 - 2²⁰ = 52219213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53267759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8099 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (8966781).

Almost surely, 2^53267789 is an apocalyptic number.

It is an amenable number.

53267789 is a deficient number, since it is larger than the sum of its proper divisors (532897).

53267789 is an equidigital number, since it uses as much as digits as its factorization.

53267789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5124 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 53267789 is about 7298.4785400794. The cubic root of 53267789 is about 376.2601493934.

The spelling of 53267789 in words is "fifty-three million, two hundred sixty-seven thousand, seven hundred eighty-nine".