52109279 has 4 divisors (see below), whose sum is σ = 52127376. Its totient is φ = 52091184.

The previous prime is 52109257. The next prime is 52109287. The reversal of 52109279 is 97290125.

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 52109279 - 2⁸ = 52109023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52109479) 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, 3659 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (13031844).

Almost surely, 2^52109279 is an apocalyptic number.

52109279 is a deficient number, since it is larger than the sum of its proper divisors (18097).

52109279 is a wasteful number, since it uses less digits than its factorization.

52109279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18096.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 52109279 is about 7218.6757095744. The cubic root of 52109279 is about 373.5123975367.

The spelling of 52109279 in words is "fifty-two million, one hundred nine thousand, two hundred seventy-nine".