52563215 has 16 divisors (see below), whose sum is σ = 67029120. Its totient is φ = 39457440.

The previous prime is 52563209. The next prime is 52563223. The reversal of 52563215 is 51236525.

It is a happy number.

It is not a de Polignac number, because 52563215 - 2²² = 48368911 is a prime.

It is a super-2 number, since 2×52563215² = 5525783142272450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7580 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (4189320).

Almost surely, 2^52563215 is an apocalyptic number.

52563215 is a deficient number, since it is larger than the sum of its proper divisors (14465905).

52563215 is a wasteful number, since it uses less digits than its factorization.

52563215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302.

The product of its digits is 9000, while the sum is 29.

The square root of 52563215 is about 7250.0493101771. The cubic root of 52563215 is about 374.5938476737.

The spelling of 52563215 in words is "fifty-two million, five hundred sixty-three thousand, two hundred fifteen".