55305160521 has 16 divisors (see below), whose sum is σ = 81102169344. Its totient is φ = 33309817344.

The previous prime is 55305160507. The next prime is 55305160523. The reversal of 55305160521 is 12506150355.

It is not a de Polignac number, because 55305160521 - 2¹¹ = 55305158473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55305160523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15084136 + ... + 15087801.

It is an arithmetic number, because the mean of its divisors is an integer number (5068885584).

Almost surely, 2^55305160521 is an apocalyptic number.

It is an amenable number.

55305160521 is a deficient number, since it is larger than the sum of its proper divisors (25797008823).

55305160521 is a wasteful number, since it uses less digits than its factorization.

55305160521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30172000.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 55305160521 in words is "fifty-five billion, three hundred five million, one hundred sixty thousand, five hundred twenty-one".