52445571 has 4 divisors (see below), whose sum is σ = 69927432. Its totient is φ = 34963712.

The previous prime is 52445557. The next prime is 52445579. The reversal of 52445571 is 17554425.

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

It is a cyclic number.

It is not a de Polignac number, because 52445571 - 2⁶ = 52445507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52445579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740926 + ... + 8740931.

It is an arithmetic number, because the mean of its divisors is an integer number (17481858).

Almost surely, 2^52445571 is an apocalyptic number.

52445571 is a deficient number, since it is larger than the sum of its proper divisors (17481861).

52445571 is a wasteful number, since it uses less digits than its factorization.

52445571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481860.

The product of its digits is 28000, while the sum is 33.

The square root of 52445571 is about 7241.9314412662. The cubic root of 52445571 is about 374.3141740342.

Adding to 52445571 its reverse (17554425), we get a palindrome (69999996).

The spelling of 52445571 in words is "fifty-two million, four hundred forty-five thousand, five hundred seventy-one".