52445511 has 6 divisors (see below), whose sum is σ = 75754640. Its totient is φ = 34963668.

The previous prime is 52445507. The next prime is 52445531. The reversal of 52445511 is 11554425.

It is not a de Polignac number, because 52445511 - 2² = 52445507 is a prime.

It is a super-2 number, since 2×52445511² = 5501063248102242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2913631 + ... + 2913648.

Almost surely, 2^52445511 is an apocalyptic number.

52445511 is a deficient number, since it is larger than the sum of its proper divisors (23309129).

52445511 is a wasteful number, since it uses less digits than its factorization.

52445511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827285 (or 5827282 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 52445511 is about 7241.9272987237. The cubic root of 52445511 is about 374.3140312903.

Adding to 52445511 its reverse (11554425), we get a palindrome (63999936).

The spelling of 52445511 in words is "fifty-two million, four hundred forty-five thousand, five hundred eleven".