52823219 has 4 divisors (see below), whose sum is σ = 53567280. Its totient is φ = 52079160.

The previous prime is 52823209. The next prime is 52823257. The reversal of 52823219 is 91232825.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52823219 is a prime.

It is a super-2 number, since 2×52823219² = 5580584931043922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52823209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371924 + ... + 372065.

It is an arithmetic number, because the mean of its divisors is an integer number (13391820).

Almost surely, 2^52823219 is an apocalyptic number.

52823219 is a deficient number, since it is larger than the sum of its proper divisors (744061).

52823219 is an equidigital number, since it uses as much as digits as its factorization.

52823219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744060.

The product of its digits is 8640, while the sum is 32.

The square root of 52823219 is about 7267.9583790773. The cubic root of 52823219 is about 375.2104750304.

The spelling of 52823219 in words is "fifty-two million, eight hundred twenty-three thousand, two hundred nineteen".