52009979 has 8 divisors (see below), whose sum is σ = 59797248. Its totient is φ = 44312040.

The previous prime is 52009967. The next prime is 52009981. The reversal of 52009979 is 97990025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52009979 - 2²⁰ = 50961403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52009949) 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 7 ways as a sum of consecutive naturals, for example, 21077 + ... + 23414.

It is an arithmetic number, because the mean of its divisors is an integer number (7474656).

Almost surely, 2^52009979 is an apocalyptic number.

52009979 is a deficient number, since it is larger than the sum of its proper divisors (7787269).

52009979 is a wasteful number, since it uses less digits than its factorization.

52009979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44665.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 52009979 is about 7211.7944368929. The cubic root of 52009979 is about 373.2749902628.

The spelling of 52009979 in words is "fifty-two million, nine thousand, nine hundred seventy-nine".