53792789 has 4 divisors (see below), whose sum is σ = 54674700. Its totient is φ = 52910880.

The previous prime is 53792731. The next prime is 53792801. The reversal of 53792789 is 98729735.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25170289 + 28622500 = 5017^2 + 5350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53792789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53792489) 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 in 3 ways as a sum of consecutive naturals, for example, 440864 + ... + 440985.

It is an arithmetic number, because the mean of its divisors is an integer number (13668675).

Almost surely, 2^53792789 is an apocalyptic number.

It is an amenable number.

53792789 is a deficient number, since it is larger than the sum of its proper divisors (881911).

53792789 is an equidigital number, since it uses as much as digits as its factorization.

53792789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881910.

The product of its digits is 952560, while the sum is 50.

The square root of 53792789 is about 7334.3567543446. The cubic root of 53792789 is about 377.4922332218.

The spelling of 53792789 in words is "fifty-three million, seven hundred ninety-two thousand, seven hundred eighty-nine".