52645515 has 32 divisors (see below), whose sum is σ = 96054336. Its totient is φ = 24391680.

The previous prime is 52645507. The next prime is 52645519. The reversal of 52645515 is 51554625.

52645515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52645515 - 2³ = 52645507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52645519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4626 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (3001698).

Almost surely, 2^52645515 is an apocalyptic number.

52645515 is a deficient number, since it is larger than the sum of its proper divisors (43408821).

52645515 is a wasteful number, since it uses less digits than its factorization.

52645515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15919.

The product of its digits is 30000, while the sum is 33.

The square root of 52645515 is about 7255.7229136730. The cubic root of 52645515 is about 374.7892504701.

The spelling of 52645515 in words is "fifty-two million, six hundred forty-five thousand, five hundred fifteen".