52159911 has 4 divisors (see below), whose sum is σ = 69546552. Its totient is φ = 34773272.

The previous prime is 52159909. The next prime is 52159967. The reversal of 52159911 is 11995125.

It is a happy number.

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 52159911 - 2¹ = 52159909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52159901) 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, 8693316 + ... + 8693321.

It is an arithmetic number, because the mean of its divisors is an integer number (17386638).

Almost surely, 2^52159911 is an apocalyptic number.

52159911 is a deficient number, since it is larger than the sum of its proper divisors (17386641).

52159911 is a wasteful number, since it uses less digits than its factorization.

52159911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386640.

The product of its digits is 4050, while the sum is 33.

The square root of 52159911 is about 7222.1818725369. The cubic root of 52159911 is about 373.6333328621.

The spelling of 52159911 in words is "fifty-two million, one hundred fifty-nine thousand, nine hundred eleven".