53805644 has 12 divisors (see below), whose sum is σ = 99115800. Its totient is φ = 25486848.

The previous prime is 53805637. The next prime is 53805667. The reversal of 53805644 is 44650835.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353909 + ... + 354060.

It is an arithmetic number, because the mean of its divisors is an integer number (8259650).

Almost surely, 2^53805644 is an apocalyptic number.

It is an amenable number.

53805644 is a deficient number, since it is larger than the sum of its proper divisors (45310156).

53805644 is a wasteful number, since it uses less digits than its factorization.

53805644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707992 (or 707990 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 53805644 is about 7335.2330569655. The cubic root of 53805644 is about 377.5223009207.

The spelling of 53805644 in words is "fifty-three million, eight hundred five thousand, six hundred forty-four".