52559969 has 8 divisors (see below), whose sum is σ = 65529408. Its totient is φ = 40955760.

The previous prime is 52559963. The next prime is 52559981. The reversal of 52559969 is 96995525.

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

It is a cyclic number.

It is not a de Polignac number, because 52559969 - 2⁸ = 52559713 is a prime.

It is a super-2 number, since 2×52559969² = 5525100682561922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52559963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341222 + ... + 341375.

It is an arithmetic number, because the mean of its divisors is an integer number (8191176).

Almost surely, 2^52559969 is an apocalyptic number.

It is an amenable number.

52559969 is a deficient number, since it is larger than the sum of its proper divisors (12969439).

52559969 is a wasteful number, since it uses less digits than its factorization.

52559969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682615.

The product of its digits is 1093500, while the sum is 50.

The square root of 52559969 is about 7249.8254461745. The cubic root of 52559969 is about 374.5861365988.

Subtracting 52559969 from its reverse (96995525), we obtain a square (44435556 = 6666²).

The spelling of 52559969 in words is "fifty-two million, five hundred fifty-nine thousand, nine hundred sixty-nine".