52159505 has 4 divisors (see below), whose sum is σ = 62591412. Its totient is φ = 41727600.

The previous prime is 52159439. The next prime is 52159507. The reversal of 52159505 is 50595125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27962944 + 24196561 = 5288^2 + 4919^2 .

It is not a de Polignac number, because 52159505 - 2⁸ = 52159249 is a prime.

It is a super-2 number, since 2×52159505² = 5441227923690050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52159507) 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, 5215946 + ... + 5215955.

It is an arithmetic number, because the mean of its divisors is an integer number (15647853).

Almost surely, 2^52159505 is an apocalyptic number.

It is an amenable number.

52159505 is a deficient number, since it is larger than the sum of its proper divisors (10431907).

52159505 is a wasteful number, since it uses less digits than its factorization.

52159505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431906.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 52159505 is about 7222.1537646328. The cubic root of 52159505 is about 373.6323634360.

The spelling of 52159505 in words is "fifty-two million, one hundred fifty-nine thousand, five hundred five".