53500225453 has 4 divisors (see below), whose sum is σ = 53564762140. Its totient is φ = 53435688768.

The previous prime is 53500225433. The next prime is 53500225459. The reversal of 53500225453 is 35452200535.

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 19880436004 + 33619789449 = 140998^2 + 183357^2 .

It is a cyclic number.

It is not a de Polignac number, because 53500225453 - 2⁹ = 53500224941 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 (53500225459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32267100 + ... + 32268757.

It is an arithmetic number, because the mean of its divisors is an integer number (13391190535).

Almost surely, 2^53500225453 is an apocalyptic number.

It is an amenable number.

53500225453 is a deficient number, since it is larger than the sum of its proper divisors (64536687).

53500225453 is an equidigital number, since it uses as much as digits as its factorization.

53500225453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64536686.

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 53500225453 its reverse (35452200535), we get a palindrome (88952425988).

The spelling of 53500225453 in words is "fifty-three billion, five hundred million, two hundred twenty-five thousand, four hundred fifty-three".