52818279 has 4 divisors (see below), whose sum is σ = 70424376. Its totient is φ = 35212184.

The previous prime is 52818257. The next prime is 52818287. The reversal of 52818279 is 97281825.

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 52818279 - 2¹⁵ = 52785511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52818279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52818229) 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, 8803044 + ... + 8803049.

It is an arithmetic number, because the mean of its divisors is an integer number (17606094).

Almost surely, 2^52818279 is an apocalyptic number.

52818279 is a deficient number, since it is larger than the sum of its proper divisors (17606097).

52818279 is a wasteful number, since it uses less digits than its factorization.

52818279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17606096.

The product of its digits is 80640, while the sum is 42.

The square root of 52818279 is about 7267.6185232853. The cubic root of 52818279 is about 375.1987781696.

The spelling of 52818279 in words is "fifty-two million, eight hundred eighteen thousand, two hundred seventy-nine".