53006569 has 8 divisors (see below), whose sum is σ = 66086208. Its totient is φ = 41303760.

The previous prime is 53006567. The next prime is 53006579. The reversal of 53006569 is 96560035.

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 53006569 - 2¹ = 53006567 is a prime.

It is a super-2 number, since 2×53006569² = 5619392714303522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53006567) 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, 344122 + ... + 344275.

It is an arithmetic number, because the mean of its divisors is an integer number (8260776).

Almost surely, 2^53006569 is an apocalyptic number.

It is an amenable number.

53006569 is a deficient number, since it is larger than the sum of its proper divisors (13079639).

53006569 is a wasteful number, since it uses less digits than its factorization.

53006569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688415.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 53006569 is about 7280.5610360741. The cubic root of 53006569 is about 375.6440936748.

The spelling of 53006569 in words is "fifty-three million, six thousand, five hundred sixty-nine".