52116979 has 4 divisors (see below), whose sum is σ = 53525584. Its totient is φ = 50708376.

The previous prime is 52116949. The next prime is 52117003. The reversal of 52116979 is 97961125.

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 52116979 - 2⁷ = 52116851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52116949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704247 + ... + 704320.

It is an arithmetic number, because the mean of its divisors is an integer number (13381396).

Almost surely, 2^52116979 is an apocalyptic number.

52116979 is a deficient number, since it is larger than the sum of its proper divisors (1408605).

52116979 is a wasteful number, since it uses less digits than its factorization.

52116979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408604.

The product of its digits is 34020, while the sum is 40.

The square root of 52116979 is about 7219.2090286956. The cubic root of 52116979 is about 373.5307941567.

The spelling of 52116979 in words is "fifty-two million, one hundred sixteen thousand, nine hundred seventy-nine".