53845823 has 4 divisors (see below), whose sum is σ = 54649560. Its totient is φ = 53042088.

The previous prime is 53845811. The next prime is 53845843. The reversal of 53845823 is 32854835.

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

It is a cyclic number.

It is not a de Polignac number, because 53845823 - 2⁴ = 53845807 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 (53845843) 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, 401768 + ... + 401901.

It is an arithmetic number, because the mean of its divisors is an integer number (13662390).

Almost surely, 2^53845823 is an apocalyptic number.

53845823 is a deficient number, since it is larger than the sum of its proper divisors (803737).

53845823 is an equidigital number, since it uses as much as digits as its factorization.

53845823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803736.

The product of its digits is 115200, while the sum is 38.

The square root of 53845823 is about 7337.9713136534. The cubic root of 53845823 is about 377.6162482797.

The spelling of 53845823 in words is "fifty-three million, eight hundred forty-five thousand, eight hundred twenty-three".