52159459 has 4 divisors (see below), whose sum is σ = 56901240. Its totient is φ = 47417680.

The previous prime is 52159439. The next prime is 52159507. The reversal of 52159459 is 95495125.

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 52159459 - 2⁹ = 52158947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52159409) 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, 2370874 + ... + 2370895.

It is an arithmetic number, because the mean of its divisors is an integer number (14225310).

Almost surely, 2^52159459 is an apocalyptic number.

52159459 is a deficient number, since it is larger than the sum of its proper divisors (4741781).

52159459 is a wasteful number, since it uses less digits than its factorization.

52159459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741780.

The product of its digits is 81000, while the sum is 40.

The square root of 52159459 is about 7222.1505799865. The cubic root of 52159459 is about 373.6322535993.

The spelling of 52159459 in words is "fifty-two million, one hundred fifty-nine thousand, four hundred fifty-nine".