52530515 has 8 divisors (see below), whose sum is σ = 63649248. Its totient is φ = 41616000.

The previous prime is 52530509. The next prime is 52530587. The reversal of 52530515 is 51503525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52530515 - 2²⁰ = 51481939 is a prime.

It is a super-3 number, since 3×52530515³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50486 + ... + 51515.

It is an arithmetic number, because the mean of its divisors is an integer number (7956156).

Almost surely, 2^52530515 is an apocalyptic number.

52530515 is a deficient number, since it is larger than the sum of its proper divisors (11118733).

52530515 is a wasteful number, since it uses less digits than its factorization.

52530515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102109.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 52530515 is about 7247.7938022546. The cubic root of 52530515 is about 374.5161522751.

The spelling of 52530515 in words is "fifty-two million, five hundred thirty thousand, five hundred fifteen".