52684441 has 4 divisors (see below), whose sum is σ = 52702900. Its totient is φ = 52665984.

The previous prime is 52684433. The next prime is 52684477. The reversal of 52684441 is 14448625.

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 24552025 + 28132416 = 4955^2 + 5304^2 .

It is a cyclic number.

It is not a de Polignac number, because 52684441 - 2³ = 52684433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52684397 and 52684406.

It is not an unprimeable number, because it can be changed into a prime (52684481) 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, 3936 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (13175725).

Almost surely, 2^52684441 is an apocalyptic number.

It is an amenable number.

52684441 is a deficient number, since it is larger than the sum of its proper divisors (18459).

52684441 is a wasteful number, since it uses less digits than its factorization.

52684441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18458.

The product of its digits is 30720, while the sum is 34.

The square root of 52684441 is about 7258.4048523074. The cubic root of 52684441 is about 374.8816005474.

The spelling of 52684441 in words is "fifty-two million, six hundred eighty-four thousand, four hundred forty-one".