53164644 has 48 divisors (see below), whose sum is σ = 141458688. Its totient is φ = 15395328.

The previous prime is 53164619. The next prime is 53164649. The reversal of 53164644 is 44646135.

53164644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53164649) 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 15 ways as a sum of consecutive naturals, for example, 7372 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (2947056).

Almost surely, 2^53164644 is an apocalyptic number.

It is an amenable number.

53164644 is an abundant number, since it is smaller than the sum of its proper divisors (88294044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53164644 is a wasteful number, since it uses less digits than its factorization.

53164644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084 (or 20082 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 53164644 is about 7291.4089173492. The cubic root of 53164644 is about 376.0171355553.

The spelling of 53164644 in words is "fifty-three million, one hundred sixty-four thousand, six hundred forty-four".