53844789 has 8 divisors (see below), whose sum is σ = 71845600. Its totient is φ = 35870256.

The previous prime is 53844781. The next prime is 53844809. The reversal of 53844789 is 98744835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53844789 - 2³ = 53844781 is a prime.

It is a super-2 number, since 2×53844789² = 5798522604909042, which contains 22 as substring.

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 (53844781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147 + ... + 10440.

It is an arithmetic number, because the mean of its divisors is an integer number (8980700).

Almost surely, 2^53844789 is an apocalyptic number.

It is an amenable number.

53844789 is a deficient number, since it is larger than the sum of its proper divisors (18000811).

53844789 is a wasteful number, since it uses less digits than its factorization.

53844789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13139.

The product of its digits is 967680, while the sum is 48.

The square root of 53844789 is about 7337.9008578748. The cubic root of 53844789 is about 377.6138311457.

The spelling of 53844789 in words is "fifty-three million, eight hundred forty-four thousand, seven hundred eighty-nine".