52243511 has 12 divisors (see below), whose sum is σ = 55543320. Its totient is φ = 49122480.

The previous prime is 52243507. The next prime is 52243523. The reversal of 52243511 is 11534225.

It is not a de Polignac number, because 52243511 - 2² = 52243507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31460 + ... + 33078.

It is an arithmetic number, because the mean of its divisors is an integer number (4628610).

Almost surely, 2^52243511 is an apocalyptic number.

52243511 is a deficient number, since it is larger than the sum of its proper divisors (3299809).

52243511 is a wasteful number, since it uses less digits than its factorization.

52243511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1703 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 52243511 is about 7227.9672799481. The cubic root of 52243511 is about 373.8328415974.

Adding to 52243511 its reverse (11534225), we get a palindrome (63777736).

The spelling of 52243511 in words is "fifty-two million, two hundred forty-three thousand, five hundred eleven".