53847789 has 8 divisors (see below), whose sum is σ = 76020480. Its totient is φ = 33786816.

The previous prime is 53847779. The next prime is 53847791. The reversal of 53847789 is 98774835.

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

It is not a de Polignac number, because 53847789 - 2⁸ = 53847533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1055839 = 53847789 / (5 + 3 + 8 + 4 + 7 + 7 + 8 + 9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53847709) 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, 527869 + ... + 527970.

It is an arithmetic number, because the mean of its divisors is an integer number (9502560).

Almost surely, 2^53847789 is an apocalyptic number.

It is an amenable number.

53847789 is a deficient number, since it is larger than the sum of its proper divisors (22172691).

53847789 is a wasteful number, since it uses less digits than its factorization.

53847789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055859.

The product of its digits is 1693440, while the sum is 51.

The square root of 53847789 is about 7338.1052731615. The cubic root of 53847789 is about 377.6208440215.

The spelling of 53847789 in words is "fifty-three million, eight hundred forty-seven thousand, seven hundred eighty-nine".