53864641 has 4 divisors (see below), whose sum is σ = 53933872. Its totient is φ = 53795412.

The previous prime is 53864633. The next prime is 53864663. The reversal of 53864641 is 14646835.

It is a happy number.

53864641 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 53864641 - 2³ = 53864633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53864641.

It is not an unprimeable number, because it can be changed into a prime (53864621) 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, 33435 + ... + 35008.

It is an arithmetic number, because the mean of its divisors is an integer number (13483468).

Almost surely, 2^53864641 is an apocalyptic number.

It is an amenable number.

53864641 is a deficient number, since it is larger than the sum of its proper divisors (69231).

53864641 is an equidigital number, since it uses as much as digits as its factorization.

53864641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69230.

The product of its digits is 69120, while the sum is 37.

The square root of 53864641 is about 7339.2534361473. The cubic root of 53864641 is about 377.6602328423.

The spelling of 53864641 in words is "fifty-three million, eight hundred sixty-four thousand, six hundred forty-one".