52533515 has 4 divisors (see below), whose sum is σ = 63040224. Its totient is φ = 42026808.

The previous prime is 52533497. The next prime is 52533517. The reversal of 52533515 is 51533525.

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 52533515 - 2¹² = 52529419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52533517) 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 3 ways as a sum of consecutive naturals, for example, 5253347 + ... + 5253356.

It is an arithmetic number, because the mean of its divisors is an integer number (15760056).

Almost surely, 2^52533515 is an apocalyptic number.

52533515 is a deficient number, since it is larger than the sum of its proper divisors (10506709).

52533515 is a wasteful number, since it uses less digits than its factorization.

52533515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506708.

The product of its digits is 11250, while the sum is 29.

The square root of 52533515 is about 7248.0007588300. Note that the first 3 decimals coincide. The cubic root of 52533515 is about 374.5232816365.

The spelling of 52533515 in words is "fifty-two million, five hundred thirty-three thousand, five hundred fifteen".