53221636451433 has 16 divisors (see below), whose sum is σ = 71164456333056. Its totient is φ = 35379957296640.

The previous prime is 53221636451413. The next prime is 53221636451483. The reversal of 53221636451433 is 33415463612235.

It is not a de Polignac number, because 53221636451433 - 2⁶ = 53221636451369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53221636451413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64465216 + ... + 65285582.

It is an arithmetic number, because the mean of its divisors is an integer number (4447778520816).

Almost surely, 2^{53221636451433} is an apocalyptic number.

It is an amenable number.

53221636451433 is a deficient number, since it is larger than the sum of its proper divisors (17942819881623).

53221636451433 is a wasteful number, since it uses less digits than its factorization.

53221636451433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881984.

The product of its digits is 4665600, while the sum is 48.

The spelling of 53221636451433 in words is "fifty-three trillion, two hundred twenty-one billion, six hundred thirty-six million, four hundred fifty-one thousand, four hundred thirty-three".