53350453 has 4 divisors (see below), whose sum is σ = 57454348. Its totient is φ = 49246560.

The previous prime is 53350439. The next prime is 53350457. The reversal of 53350453 is 35405335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21743569 + 31606884 = 4663^2 + 5622^2 .

It is a cyclic number.

It is not a de Polignac number, because 53350453 - 2¹⁷ = 53219381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53350457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051928 + ... + 2051953.

It is an arithmetic number, because the mean of its divisors is an integer number (14363587).

Almost surely, 2^53350453 is an apocalyptic number.

It is an amenable number.

53350453 is a deficient number, since it is larger than the sum of its proper divisors (4103895).

53350453 is a wasteful number, since it uses less digits than its factorization.

53350453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103894.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 53350453 is about 7304.1394428091. The cubic root of 53350453 is about 376.4546828016.

Adding to 53350453 its reverse (35405335), we get a palindrome (88755788).

The spelling of 53350453 in words is "fifty-three million, three hundred fifty thousand, four hundred fifty-three".