53300453 has 12 divisors (see below), whose sum is σ = 58662240. Its totient is φ = 48290616.

The previous prime is 53300449. The next prime is 53300473. The reversal of 53300453 is 35400335.

It is not a de Polignac number, because 53300453 - 2² = 53300449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53300413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7400 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (4888520).

Almost surely, 2^53300453 is an apocalyptic number.

It is an amenable number.

53300453 is a deficient number, since it is larger than the sum of its proper divisors (5361787).

53300453 is a wasteful number, since it uses less digits than its factorization.

53300453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53300453 is about 7300.7159237982. The cubic root of 53300453 is about 376.3370417048.

Adding to 53300453 its reverse (35400335), we get a palindrome (88700788).

The spelling of 53300453 in words is "fifty-three million, three hundred thousand, four hundred fifty-three".