53000445 has 8 divisors (see below), whose sum is σ = 84800736. Its totient is φ = 28266896.

The previous prime is 53000393. The next prime is 53000449. The reversal of 53000445 is 54400035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53000445 - 2¹¹ = 52998397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766667 + ... + 1766696.

It is an arithmetic number, because the mean of its divisors is an integer number (10600092).

Almost surely, 2^53000445 is an apocalyptic number.

It is an amenable number.

53000445 is a deficient number, since it is larger than the sum of its proper divisors (31800291).

53000445 is a wasteful number, since it uses less digits than its factorization.

53000445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533371.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53000445 is about 7280.1404519418. The cubic root of 53000445 is about 375.6296267067.

The spelling of 53000445 in words is "fifty-three million, four hundred forty-five", and thus it is an aban number.