52440541 has 4 divisors (see below), whose sum is σ = 53300284. Its totient is φ = 51580800.

The previous prime is 52440539. The next prime is 52440547. The reversal of 52440541 is 14504425.

It is a happy number.

52440541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4968441 + 47472100 = 2229^2 + 6890^2 .

It is a cyclic number.

It is not a de Polignac number, because 52440541 - 2¹ = 52440539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429780 + ... + 429901.

It is an arithmetic number, because the mean of its divisors is an integer number (13325071).

Almost surely, 2^52440541 is an apocalyptic number.

It is an amenable number.

52440541 is a deficient number, since it is larger than the sum of its proper divisors (859743).

52440541 is an equidigital number, since it uses as much as digits as its factorization.

52440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859742.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 52440541 is about 7241.5841498943. The cubic root of 52440541 is about 374.3022069576.

Adding to 52440541 its reverse (14504425), we get a palindrome (66944966).

The spelling of 52440541 in words is "fifty-two million, four hundred forty thousand, five hundred forty-one".