52511217 has 12 divisors (see below), whose sum is σ = 76959120. Its totient is φ = 31824760.

The previous prime is 52511203. The next prime is 52511227. The reversal of 52511217 is 71211525.

It is not a de Polignac number, because 52511217 - 2¹⁵ = 52478449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52511227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71967 + ... + 72692.

It is an arithmetic number, because the mean of its divisors is an integer number (6413260).

Almost surely, 2^52511217 is an apocalyptic number.

It is an amenable number.

52511217 is a deficient number, since it is larger than the sum of its proper divisors (24447903).

52511217 is a wasteful number, since it uses less digits than its factorization.

52511217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144684 (or 144673 counting only the distinct ones).

The product of its digits is 700, while the sum is 24.

The square root of 52511217 is about 7246.4623782919. The cubic root of 52511217 is about 374.4702849799.

The spelling of 52511217 in words is "fifty-two million, five hundred eleven thousand, two hundred seventeen".