53896789 has 4 divisors (see below), whose sum is σ = 54452524. Its totient is φ = 53341056.

The previous prime is 53896771. The next prime is 53896807. The reversal of 53896789 is 98769835.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (53896771) and next prime (53896807).

It can be written as a sum of positive squares in 2 ways, for example, as 34316164 + 19580625 = 5858^2 + 4425^2 .

It is a cyclic number.

It is not a de Polignac number, because 53896789 - 2¹⁷ = 53765717 is a prime.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53896729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277722 + ... + 277915.

It is an arithmetic number, because the mean of its divisors is an integer number (13613131).

Almost surely, 2^53896789 is an apocalyptic number.

It is an amenable number.

53896789 is a deficient number, since it is larger than the sum of its proper divisors (555735).

53896789 is an equidigital number, since it uses as much as digits as its factorization.

53896789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555734.

The product of its digits is 3265920, while the sum is 55.

The square root of 53896789 is about 7341.4432504788. The cubic root of 53896789 is about 377.7353508069.

The spelling of 53896789 in words is "fifty-three million, eight hundred ninety-six thousand, seven hundred eighty-nine".