52644412 has 12 divisors (see below), whose sum is σ = 92680560. Its totient is φ = 26164256.

The previous prime is 52644407. The next prime is 52644413. The reversal of 52644412 is 21444625.

It is a super-2 number, since 2×52644412² = 5542868229651488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644413) 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, 38737 + ... + 40072.

It is an arithmetic number, because the mean of its divisors is an integer number (7723380).

Almost surely, 2^52644412 is an apocalyptic number.

It is an amenable number.

52644412 is a deficient number, since it is larger than the sum of its proper divisors (40036148).

52644412 is a wasteful number, since it uses less digits than its factorization.

52644412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78980 (or 78978 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 52644412 is about 7255.6469043084. The cubic root of 52644412 is about 374.7866329921.

The spelling of 52644412 in words is "fifty-two million, six hundred forty-four thousand, four hundred twelve".