53859823 has 2 divisors, whose sum is σ = 53859824. Its totient is φ = 53859822.

The previous prime is 53859821. The next prime is 53859853. The reversal of 53859823 is 32895835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53859823 - 2¹ = 53859821 is a prime.

Together with 53859821, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53859823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53859821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929911 + 26929912.

It is an arithmetic number, because the mean of its divisors is an integer number (26929912).

Almost surely, 2^53859823 is an apocalyptic number.

53859823 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859823 is an equidigital number, since it uses as much as digits as its factorization.

53859823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 53859823 is about 7338.9251937869. The cubic root of 53859823 is about 377.6489723863.

The spelling of 53859823 in words is "fifty-three million, eight hundred fifty-nine thousand, eight hundred twenty-three".