52523444 has 24 divisors (see below), whose sum is σ = 97355328. Its totient is φ = 24742080.

The previous prime is 52523441. The next prime is 52523447. The reversal of 52523444 is 44432525.

It is an interprime number because it is at equal distance from previous prime (52523441) and next prime (52523447).

It is a super-2 number, since 2×52523444² = 5517424339242272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52523441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (4056472).

Almost surely, 2^52523444 is an apocalyptic number.

It is an amenable number.

52523444 is a deficient number, since it is larger than the sum of its proper divisors (44831884).

52523444 is a wasteful number, since it uses less digits than its factorization.

52523444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615 (or 8613 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 52523444 is about 7247.3059822254. The cubic root of 52523444 is about 374.4993472965.

Adding to 52523444 its reverse (44432525), we get a palindrome (96955969).

The spelling of 52523444 in words is "fifty-two million, five hundred twenty-three thousand, four hundred forty-four".