52646641 has 4 divisors (see below), whose sum is σ = 52677952. Its totient is φ = 52615332.

The previous prime is 52646639. The next prime is 52646647. The reversal of 52646641 is 14664625.

52646641 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52646641 - 2¹ = 52646639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52646597 and 52646606.

It is not an unprimeable number, because it can be changed into a prime (52646647) 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, 12981 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (13169488).

Almost surely, 2^52646641 is an apocalyptic number.

It is an amenable number.

52646641 is a deficient number, since it is larger than the sum of its proper divisors (31311).

52646641 is a wasteful number, since it uses less digits than its factorization.

52646641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310.

The product of its digits is 34560, while the sum is 34.

The square root of 52646641 is about 7255.8005071804. The cubic root of 52646641 is about 374.7919224906.

The spelling of 52646641 in words is "fifty-two million, six hundred forty-six thousand, six hundred forty-one".