52569445 has 4 divisors (see below), whose sum is σ = 63083340. Its totient is φ = 42055552.

The previous prime is 52569437. The next prime is 52569493. The reversal of 52569445 is 54496525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33200644 + 19368801 = 5762^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 52569445 - 2³ = 52569437 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52569398 and 52569407.

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 3 ways as a sum of consecutive naturals, for example, 5256940 + ... + 5256949.

It is an arithmetic number, because the mean of its divisors is an integer number (15770835).

Almost surely, 2^52569445 is an apocalyptic number.

It is an amenable number.

52569445 is a deficient number, since it is larger than the sum of its proper divisors (10513895).

52569445 is a wasteful number, since it uses less digits than its factorization.

52569445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513894.

The product of its digits is 216000, while the sum is 40.

The square root of 52569445 is about 7250.4789496970. The cubic root of 52569445 is about 374.6086465368.

The spelling of 52569445 in words is "fifty-two million, five hundred sixty-nine thousand, four hundred forty-five".