53505042223 has 4 divisors (see below), whose sum is σ = 53995914280. Its totient is φ = 53014170168.

The previous prime is 53505042211. The next prime is 53505042263. The reversal of 53505042223 is 32224050535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32224050535 = 5 ⋅6444810107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53505042223 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 (53505042263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245435865 + ... + 245436082.

It is an arithmetic number, because the mean of its divisors is an integer number (13498978570).

Almost surely, 2^53505042223 is an apocalyptic number.

53505042223 is a deficient number, since it is larger than the sum of its proper divisors (490872057).

53505042223 is a wasteful number, since it uses less digits than its factorization.

53505042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490872056.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 53505042223 its reverse (32224050535), we get a palindrome (85729092758).

The spelling of 53505042223 in words is "fifty-three billion, five hundred five million, forty-two thousand, two hundred twenty-three".