53221232033523 has 48 divisors (see below), whose sum is σ = 79107609817600. Its totient is φ = 34466259896640.

The previous prime is 53221232033479. The next prime is 53221232033533. The reversal of 53221232033523 is 32533023212235.

53221232033523 is a `hidden beast` number, since 5 + 3 + 2 + 2 + 123 + 2 + 0 + 3 + 3 + 523 = 666.

53221232033523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53221232033523 - 2¹⁰ = 53221232032499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53221232033533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37944813 + ... + 39322401.

Almost surely, 2^{53221232033523} is an apocalyptic number.

53221232033523 is a deficient number, since it is larger than the sum of its proper divisors (25886377784077).

53221232033523 is a wasteful number, since it uses less digits than its factorization.

53221232033523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378552 (or 1378549 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 53221232033523 its reverse (32533023212235), we get a palindrome (85754255245758).

The spelling of 53221232033523 in words is "fifty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, thirty-three thousand, five hundred twenty-three".