53628644 has 12 divisors (see below), whose sum is σ = 93935100. Its totient is φ = 26790048.

The previous prime is 53628623. The next prime is 53628683. The reversal of 53628644 is 44682635.

53628644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37063744 + 16564900 = 6088^2 + 4070^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53628598 and 53628607.

It is an unprimeable number.

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, 539 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (7827925).

Almost surely, 2^53628644 is an apocalyptic number.

It is an amenable number.

53628644 is a deficient number, since it is larger than the sum of its proper divisors (40306456).

53628644 is a wasteful number, since it uses less digits than its factorization.

53628644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142 (or 12140 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 53628644 is about 7323.1580619293. The cubic root of 53628644 is about 377.1078781401.

The spelling of 53628644 in words is "fifty-three million, six hundred twenty-eight thousand, six hundred forty-four".