52565969 has 8 divisors (see below), whose sum is σ = 53096640. Its totient is φ = 52038000.

The previous prime is 52565963. The next prime is 52566001. The reversal of 52565969 is 96956525.

It is a happy number.

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 52565969 - 2¹⁶ = 52500433 is a prime.

It is a super-2 number, since 2×52565969² = 5526362193817922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52565963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73787 + ... + 74495.

It is an arithmetic number, because the mean of its divisors is an integer number (6637080).

Almost surely, 2^52565969 is an apocalyptic number.

It is an amenable number.

52565969 is a deficient number, since it is larger than the sum of its proper divisors (530671).

52565969 is a wasteful number, since it uses less digits than its factorization.

52565969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 729000, while the sum is 47.

The square root of 52565969 is about 7250.2392374321. The cubic root of 52565969 is about 374.6003897230.

The spelling of 52565969 in words is "fifty-two million, five hundred sixty-five thousand, nine hundred sixty-nine".