53000644 has 12 divisors (see below), whose sum is σ = 94323600. Its totient is φ = 26051048.

The previous prime is 53000627. The next prime is 53000681. The reversal of 53000644 is 44600035.

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, 112054 + ... + 112525.

It is an arithmetic number, because the mean of its divisors is an integer number (7860300).

Almost surely, 2^53000644 is an apocalyptic number.

It is an amenable number.

53000644 is a deficient number, since it is larger than the sum of its proper divisors (41322956).

53000644 is a wasteful number, since it uses less digits than its factorization.

53000644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224642 (or 224640 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53000644 is about 7280.1541192478. The cubic root of 53000644 is about 375.6300968298.

Adding to 53000644 its reverse (44600035), we get a palindrome (97600679).

The spelling of 53000644 in words is "fifty-three million, six hundred forty-four", and thus it is an aban number.