52660544 has 14 divisors (see below), whose sum is σ = 104498394. Its totient is φ = 26330240.

The previous prime is 52660541. The next prime is 52660561. The reversal of 52660544 is 44506625.

It can be written as a sum of positive squares in only one way, i.e., 30382144 + 22278400 = 5512^2 + 4720^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 52660544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52660541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411347 + ... + 411474.

It is an arithmetic number, because the mean of its divisors is an integer number (7464171).

Almost surely, 2^52660544 is an apocalyptic number.

It is an amenable number.

52660544 is a deficient number, since it is larger than the sum of its proper divisors (51837850).

52660544 is an equidigital number, since it uses as much as digits as its factorization.

52660544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822833 (or 822823 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 52660544 is about 7256.7585050076. The cubic root of 52660544 is about 374.8249114486.

The spelling of 52660544 in words is "fifty-two million, six hundred sixty thousand, five hundred forty-four".