52555569 has 16 divisors (see below), whose sum is σ = 79081920. Its totient is φ = 30752960.

The previous prime is 52555543. The next prime is 52555583. The reversal of 52555569 is 96555525.

It is a cyclic number.

It is not a de Polignac number, because 52555569 - 2²⁰ = 51506993 is a prime.

It is a super-2 number, since 2×52555569² = 5524175665827522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 52555569.

It is not an unprimeable number, because it can be changed into a prime (52555519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26502 + ... + 28415.

It is an arithmetic number, because the mean of its divisors is an integer number (4942620).

Almost surely, 2^52555569 is an apocalyptic number.

It is an amenable number.

52555569 is a deficient number, since it is larger than the sum of its proper divisors (26526351).

52555569 is a wasteful number, since it uses less digits than its factorization.

52555569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54960.

The product of its digits is 337500, while the sum is 42.

The square root of 52555569 is about 7249.5219842414. The cubic root of 52555569 is about 374.5756836183.

The spelling of 52555569 in words is "fifty-two million, five hundred fifty-five thousand, five hundred sixty-nine".